σμήρισμα

ατος, τό
A. air-tight fitting:
I. tube with another inside it as in a siphon or syringe, Hero Spir. 1.6,2.17.
II. tube with another passing through it at right angles, tap, stopcock, ib.2.10: Dim. σμηρισμάτιον, τό, ib.1.6.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project