Liddell-Scott-Jones

καυλός (kaulos) a stem ^G:N-M

καυλός, ὁ,

stem of a plant (opposed to στέλεχος, of trees, [Refs 5th c.BC+]; ἢ σίλφιον ἢ ὀπὸς ἢ κ. [Refs 5th c.BC+]

__2 [Refs 8th c.BC+], spear-shaft, ἐν καυλῷ ἐάγη δολιχὸν δόρυ [Refs 8th c.BC+]; once of a sword-hilt, ἀμφὶ δὲ καυλὸν φάσγανον ἐρραίσθη [Refs]
__3 of various tubular structures in animals, πτεροῦ καυλός quill part of a feather, [Refs 5th c.BC+]; neck of the bladder, [Refs]; duct of the penis, [Refs]; cervix uteri, [Refs]; ovipositor of locusts, [Refs]
__4 shank of a fish-hook, [Refs 2nd c.AD+]
__II vegetable of the cabbage kind, cole, kail, cauliflower, [Refs 4th c.BC+]
__III membrum virile, [Refs 5th c.BC+] (Cf. Latin caulus, caulis, Lithuanian kaáulas 'bone'.)