What is the Latin word for spiracle?

The usual Latin words for “spiracle” are spīrāmentum, spīrāculum, lūmen; also relaxō. The right choice depends on the sense; see the distinctions below.

English → Latin

“spiracle” in Latin

spīrāmentumbreathing hole, air hole, vent, pore, spiracle; breathing space; interval, brief pause; blowing, breathing, exhaling, dr spīrāculumair hole, vent, spiracle; breath lūmenlight, source of light; the eyes; daylight relaxōto stretch out or widen again; unloose, loosen, open; slacken; abate; to slacken, ease, alleviate, mitigate; cheer up, e

The English word spiracle itself goes back to Latin spīrō, through spiraculum.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

spiracle

spiramentum: spiraculum: lumen (any opening that admits light and air). To open spiracles, spiramenta laxare, relaxare (†): If “spiracles” = pores, foramina invisibilia corporis (Cels., 1, praef., p. 14, Bip.): *pori (technical term).

Quick answer

What is the Latin word for spiracle?: The usual Latin words for “spiracle” are spīrāmentum, spīrāculum, lūmen; also relaxō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.