τρίστομος
From LSJ
τὸ πλῆθος οὐκ εὐαρίθμητον ἦν → the crowd wasn't easy to count, the crowd was not small, it was not a small crowd
English (LSJ)
ον,
A three-edged or three-pointed, αἰχμή AP6.167 (Agath.); τ. δόρυ, of the trident, Max.Tyr.10.8; with three mouths, Ῥοδανός Str.4.1.8. II τρίστομον, τό, dub. sens., prob. place-name, in PTeb.112.2, al. (ii B. C., cf. ii p.405); σιτολόγοι Τριστόμου Ostr.1097 (ii A. D.), cf. BGU1072 iii 2 (ii A. D.), etc.
German (Pape)
[Seite 1148] 1) dreimündig. – 2) dreischneidig, αἰχμή Agath. 28 (VI, 167).
Greek (Liddell-Scott)
τρίστομος: -ον, ὁ ἔχων τρία στόματα, αἰχμὴ Ἀνθ. Π. 6. 167, πρβλ. δίστομος.