σωληνοειδής
From LSJ
Ἐν ἀρχῇ ἦν ὁ Λόγος, καὶ ὁ Λόγος ἦν πρὸς τὸν Θεόν, καὶ Θεὸς ἦν ὁ Λόγος (Κατὰ Ἰωάννην 1:1) → In the beginning was the Word, and the Word was with God, and the Word was God.
English (LSJ)
ές,
A pipe-shaped, grooved, Aen.Tact.16.6, Ph.2.244, D.C.49.30. Adv. -ειδῶς like a pipe, Ruf.Oss.24; groove-wise, Sor. 1.85.