Usage: 4 forms in 11 verses
Form Translated As     In Verse(s)
στελέχων of trunks LXX.Ezek.19.11
στελέχουσ stick LXX.2Kgs.6.5
στελέχη his trunks LXX.Ezek.31.12LXX.Ezek.31.13
sticks LXX.Song.3.6
trunks LXX.Exod.15.27LXX.Num.33.9LXX.Jer.17.8
στέλεχοσ a trunk LXX.Gen.49.21
its trunk LXX.Job.14.8
trunk LXX.Job.29.18

Liddell-Scott-Jones

στέλεχος (stelechos) a stick G:N-N

στέλεχος-ος, εος, τό,

also [Refs 2nd c.AD+]:— crown of the root, whence the stem or trunk springs, δρυὸς ἐν στελέχει [Refs 5th c.BC+]; αἴγειρος.. δεδιχασμένη ἑνὸς ἐκ στελέχους Lyric poetry in [Refs]

__2 trunk, log, στελέχη φέρειν [Refs 5th c.BC+]; εἰσδυόμενος εἰς τὰ σ., of hollow trunks, [Refs 4th c.BC+]
__3 metaphorically, blockhead, [Refs 5th c.BC+]