12-letter words containing b, r, o, t
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- bird-spotter — a bird-watcher
- birth mother — the woman who gives birth to a child, regardless of whether she is the genetic mother or subsequently brings up the child
- birthday boy — the boy or man whose birthday is being celebrated
- bit of skirt — a girl or woman
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- bitter lemon — a non-alcoholic, fizzy drink with a lemon flavour
- bitter melon — balsam pear.
- blabbermouth — a person who talks too much or indiscreetly
- black forest — wooded mountain region in SW Germany
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- blanket roll — a blanket or sleeping bag rolled into a cylindrical pack for easy carrying and outdoor use by hikers, soldiers, cowboys, etc., often with cooking utensils, food, and personal articles carried inside.
- blastosphere — blastula
- bletheration — nonsense!
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- block letter — a plain capital letter
- blood sister — a sister by birth
- bloodthirsty — Bloodthirsty people are eager to use violence or display a strong interest in violent things. You can also use bloodthirsty to refer to very violent situations.
- bloody shirt — something, as a political issue or historical event, that can be used to stir up outrage, partisan support, etc.
- blow through — to leave; make off
- blue norther — a cold north wind that brings rapidly falling temperatures.
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- blue vitriol — the fully hydrated blue crystalline form of copper sulphate
- boar-hunting — the practice of hunting wild boars
- board shorts — shorts with longer legs, originally meant to protect a surfer's legs against the surfboard
- boarding out — the local-authority practice of placing a client in a foster family or voluntary establishment and paying for it
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- body bolster — the lower transverse member of a car body to which the body center plate is attached.
- body-centred — (of a crystal) having a lattice point at the centre of each unit cell as well as at the corners
- bog-standard — If you describe something as bog-standard you mean that is an ordinary example of its kind, with no exciting or interesting features.
- bogon filter — /boh'gon fil'tr/ Any device, software or hardware, that limits or suppresses the flow and/or emission of bogons. "Engineering hacked a bogon filter between the Cray and the VAXen, and now we're getting fewer dropped packets." See also bogosity.
- boiled shirt — a dress shirt with a stiff front
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- bomb factory — a site or building in which terrorists illicitly and secretly create bombs
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- bomber pilot — the pilot of a bomber
- bond servant — a person who serves in bondage; slave.
- bonnet rouge — a red cap worn by ardent supporters of the French Revolution
- boobytrapped — to set with or as if with a booby trap; attach a booby trap to or in.
- boom-or-bust — boom-and-bust.
- boomer state — Oklahoma
- booster dose — a supplementary injection of a vaccine given to maintain the immunization provided by an earlier dose
- booster pump — A booster pump is a pump which is used where pressure is low and needs to be increased.
- booster seat — A booster seat or a booster cushion is a special seat which allows a small child to sit in a higher position, for example at a table or in a car.
- booster shot — an injection of a vaccine or other antigen some time after the initial series of injections, for maintaining immunity
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in
- border light — a striplight hung upstage of a border, for lighting the stage.
- border state — a state adjacent to a border
- border taxes — taxes payable on goods taken across a border