LSJ
ον, holding four χοίνικες, μέτρον POxy. 836 (i BC), cf. Dsc. 1.33, PFlor. 19.11 (iii AD), Eust. 1854.12, AB 342, etc.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
= τετραχοῖνιξ ; Schol. Ar. Nub. 639 ; Diosc.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)