ventilating shaft

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• shaft — Synonyms and related words: abysm, abyss, adit, air duct, air hole, air passage, air shaft, air tube, airway, antenna tower, arch, arrow, arrowhead, baluster, balustrade, banister, bank, barb, barbican, barbule, barrel, barrow, base, beam, belfry …   Moby Thesaurus

• shaft — [shaft, shäft] n. [ME schaft < OE sceaft, akin to Ger schaft < IE base * (s)kap , to cut with a sharp tool > SHAVE, Gr skapos, rod, L scapus, shaft, stalk] 1. a) the long stem or body of an arrow or spear b) an arrow or spear 2. a… …   English World dictionary

• shaft — I. noun (plural shafts) Etymology: Middle English, from Old English sceaft; akin to Old High German scaft shaft, Latin scapus shaft, stalk, Greek skēptesthai to prop oneself, lean Date: before 12th century 1. a. (1) the long handle of a spear or… …   New Collegiate Dictionary

• ventilating system — noun a mechanical system in a building that provides fresh air (Freq. 1) she was continually adjusting the ventilation • Syn: ↑ventilation, ↑ventilation system • Derivationally related forms: ↑ventilate (for: ↑ …   Useful english dictionary

• air shaft — noun a shaft for ventilation • Syn: ↑air well • Hypernyms: ↑shaft * * * noun : air well * * * 1. See air well. 2. Mining. a …   Useful english dictionary

• upcast shaft — Upcast Up cast , n. 1. (Bowling) A cast; a throw. Shak. [1913 Webster] 2. (Mining.) The ventilating shaft of a mine out of which the air passes after having circulated through the mine; distinguished from the downcast. Called also {upcast pit},… …   The Collaborative International Dictionary of English

• air shaft — Synonyms and related words: air duct, air hole, air passage, air tube, airway, blowhole, breathing hole, louver, louverwork, naris, nostril, shaft, spilehole, spiracle, touchhole, transom, vent, ventage, venthole, ventiduct, ventilating shaft,… …   Moby Thesaurus

• air shaft — air′ shaft n. bui a ventilating shaft in a building • Etymology: 1685–95 …   From formal English to slang

• air shaft — 1. See air well. 2. Mining. a ventilating shaft. [1685 95] * * * …   Universalium

• ventilation shaft — noun a shaft in a building; serves as an air passage for ventilation • Hypernyms: ↑shaft, ↑air passage, ↑air duct, ↑airway • Part Holonyms: ↑ventilation, ↑ventilation system, ↑ventilating system …   Useful english dictionary

• air well — noun a shaft for ventilation • Syn: ↑air shaft • Hypernyms: ↑shaft * * * noun : a court enclosed within walls and open at the top for supplying air to windows called also air shaft * * * a ventilating shaft in a building. Also called air shaft …   Useful english dictionary