7-letter words starting with or
- organon — an instrument of thought or knowledge.
- organum — an organon.
- organza — a sheer rayon, nylon, or silk fabric constructed in plain weave and with a crisp finish, used in the manufacture of evening dresses, trimmings, etc.
- orgasms — Plural form of orgasm.
- orgasum — Misspelling of orgasm.
- orgiast — One who celebrates orgies.
- oriency — the state of having an iridescent lustre
- oriente — a region in Ecuador, E of the Andes: the border long disputed by Peru.
- orients — Third-person singular simple present indicative form of orient.
- orifice — an opening or aperture, as of a tube or pipe; a mouthlike opening or hole; mouth; vent.
- origami — the traditional Japanese art or technique of folding paper into a variety of decorative or representational forms, as of animals or flowers.
- origins — Plural form of origin.
- orillia — a city in SE Ontario, in S Canada.
- orinoco — a river in N South America, flowing N from the border of Brazil, along the E border of Colombia, and NE through Venezuela to the Atlantic. 1600 miles (2575 km) long.
- orioles — Plural form of oriole.
- orisons — Plural form of orison.
- orizaba — Also called Citlaltepetl. an inactive volcano in SE Mexico, in Veracruz state. 18,546 feet (5653 meters).
- orlando — Vittorio Emanuele [veet-taw-ryaw e-mah-noo-e-le] /vitˈtɔ ryɔ ˌɛ mɑ nuˈɛ lɛ/ (Show IPA), 1860–1952, Italian statesman.
- orleans — Louis Philippe Joseph [lwee fee-leep zhaw-zef] /lwi fiˈlip ʒɔˈzɛf/ (Show IPA), Duc (Philippe Égalité) 1747–93, French political leader.
- ormandy — Eugene, 1899–1985, U.S. conductor and violinist, born in Hungary.
- ormonde — 1st Duke of, title of James Butler. 1610–88, Anglo-Irish general; commander (1641–50) of the royalist forces in Ireland; Lord Lieutenant of Ireland (1661–69; 1677–84)
- ornated — Simple past tense and past participle of ornate.
- orogens — an extensive belt of rocks deformed by orogeny, associated in places with plutonic and metamorphic rocks.
- orogeny — A process in which a section of the earth's crust is folded and deformed by lateral compression to form a mountain range.
- orology — the branch of physical geography dealing with mountains.
- orontes — a river in W Asia, flowing N from Lebanon through NW Syria and then SW past Antioch, Turkey, to the Mediterranean. 250 miles (405 km) long.
- oronyms — Plural form of oronym.
- oropesa — a float used in minesweeping
- orosius — Paulus [paw-luh s] /ˈpɔ ləs/ (Show IPA), flourished 5th century a.d, Spanish theologian and historian.
- orotund — (of the voice or speech) characterized by strength, fullness, richness, and clearness.
- orphans — Plural form of orphan.
- orphean — Greek Legend. a poet and musician, a son of Calliope, who followed his dead wife, Eurydice, to the underworld. By charming Hades, he obtained permission to lead her away, provided he did not look back at her until they returned to earth. But at the last moment he looked, and she was lost to him forever.
- orpheus — Greek Legend. a poet and musician, a son of Calliope, who followed his dead wife, Eurydice, to the underworld. By charming Hades, he obtained permission to lead her away, provided he did not look back at her until they returned to earth. But at the last moment he looked, and she was lost to him forever.
- orphism — the religious or philosophical system of the Orphic school.
- orphrey — an ornamental band or border, especially on an ecclesiastical vestment.
- orpines — Plural form of orpine.
- ortegal — Cape, a cape in NW Spain, on the Bay of Biscay.
- orthian — having a high pitch
- orthros — Greek Orthodox Church. the morning office, corresponding to matins.
- ortolan — the bobolink.
- orvieto — a white wine, from dry to sweet, from Umbria, Italy.
- orville — a male given name.