13-letter words containing b, o, a, k
- blackjack oak — a small oak tree, Quercus marilandica, of the southeastern US, with blackish bark and fan-shaped leaves
- blanketflower — a hardy flowering plant, Gaillardia aristata, that grows in the US
- block capital — a sans-serif letter with lines of uniform weight.
- block diagram — a diagram showing the interconnections between the parts of an industrial process
- block release — the release of industrial trainees from work for study at a college for several weeks
- blow a gasket — to burst out in anger
- blue grosbeak — a grosbeak, Guiraca caerulea, of the U.S., Mexico, and Central America, the male of which is blue with two rusty bars on each wing.
- boat neckline — a wide, high neckline that follows the curve of the collarbone and ends in points on the shoulder seams.
- bodvar bjarki — the greatest of Rolf Kraki's heroes, often fighting in the likeness of a bear: probably identical with Beowulf.
- bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
- bonanza creek — a stream in W Yukon Territory, Canada, flowing NW to the Klondike River near Dawson: gold strike 1896. 20 miles (32 km) long.
- book learning — knowledge gained from books rather than from direct personal experience
- book-learning — knowledge acquired by reading books, as distinguished from that obtained through observation and experience.
- booking agent — an agent who makes bookings, as reservations for travel or the theater or engagements for performers, for clients.
- boomerang kid — a young adult who, after having lived on his or her own for a time, returns to live in the parental home, usually due to financial problems caused by unemployment or the high cost of living independently
- boundary peak — a peak in SW Nevada, in the White Mountains, near the California border: highest elevation in Nevada. 13,143 feet (4006 meters).
- bracket clock — a small clock designed to be placed on a bracket or shelf.
- braking power — the ability of a braking system to cause a vehicle to come to a halt
- break it down — stop it
- break through — If you break through a barrier, you succeed in forcing your way through it.
- breakthroughs — a military movement or advance all the way through and beyond an enemy's front-line defense.
- breast pocket — The breast pocket of a man's coat or jacket is a pocket, usually on the inside, next to his chest.
- breast stroke — a swimming stroke performed face down in which both arms are extended outward and sideways from a position close to the chest, while the legs engage in a frog kick
- breaststroker — a person who swims breaststroke
- brokenhearted — Someone who is brokenhearted is very sad and upset because they have had a serious disappointment.
- brook lamprey — a jawless fish, Lampetra planeri, native to the European part of the Atlantic Ocean and the northwest Mediterranean
- brooklyn park — city in SE Minn.: suburb of Minneapolis: pop. 67,000
- buoyancy tank — an enclosed air-filled section of a boat, ship or hovercraft designed to keep it afloat and prevent it from sinking
- chock-a-block — A place that is chock-a-block is very full of people, things, or vehicles.
- chukka (boot) — an ankle-high bootlike shoe, usually with two or three pairs of eyelets
- cinchona bark — the dried bark of any of a cinchona tree, which yields quinine and other medicinal alkaloids
- clothesbasket — a basket for holding and carrying laundry.
- coaster brake — a brake on a bicycle that engages when the pedals are turned in reverse
- cockney bream — a young snapper fish
- combat jacket — a military-style jacket, usually khaki, olive green, or with camouflage colours
- constablewick — the area of land under the charge of a constable
- crayola books — (publication) A humorous and/or disparaging term for the rainbow series of National Computer Security Center (NCSC) computer security standards. See also Orange Book.
- domesday book — a record of a survey of the lands of England made by order of William the Conqueror about 1086, giving ownership, extent, value, etc., of the properties.
- doomsday book — Domesday Book.
- double tackle — a pulley system using blocks having two grooved wheels.
- doublespeaker — a person who uses doublespeak
- feedback form — A feedback form is a paper with questions on it and spaces marked where you should write the answers. It asks a hotel guest if they enjoyed their stay and what could be improved.
- feedback loop — the path by which some of the output of a circuit, system, or device is returned to the input.
- for sb's sake — When you do something for someone's sake, you do it in order to help them or make them happy.
- groundbreaker — a person who is an originator, innovator, or pioneer in a particular activity.
- heartbrokenly — In a heartbroken manner.
- horse-breaker — a person who breaks in a horse
- housebreakers — Plural form of housebreaker.
- housebreaking — to train (a pet) to excrete outdoors or in a specific place.
- hub-and-spoke — of or designating a system of air transportation by which local flights carry passengers to one major regional airport where they can board long-distance or other local flights for their final destinations.