LATIN DICTIONARYLexicon Latīnum
English → Latin

“aperture” in Latin

The English word aperture itself goes back to Latin aperiō, through apertūra.

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

aperture
Opening, foramen (general term for any opening made by boring): cavum (burrow, pit, etc.): hiatus (any yawning fissure): rima (fissure; a cut made lengthwise): fissura (a rent): lacuna (a space not filled up; e.g., in a ceiling): lumen (the opening of a window or door; any opening through which light can penetrate): fenestra (aperture of a window); os (mouth-like aperture, e.g., of a cave): apertura (Vitr.). [If it is =AIR-HOLE, Vid:] . Aperture of a reed, rivus fistulae.
To make an aperture in anything, aliquid aperire (general term); perforare (to bore through it). To hare apertures, aperturas habere (Vitr.).
Act of opening, apertio (Varr., patefactio only improper as act of divulging).

Quick answer

What is the Latin word for aperture?
The usual Latin words for “aperture” are forāmen, cavus, hiātus; also rīma, findō, lacūna. 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.