Usage: 3 forms in 4 verses
Form Translated As     In Verse(s)
πρίων saw LXX.Isa.10.15
πρίοσι saws LXX.1Chr.20.3LXX.Amos.1.3
πρίονι saw LXX.2Sam.12.31

Liddell-Scott-Jones

πρίων (priōn) a saw G:N-N

πρίων, ,

genitive

__A πρίονος [Refs 5th c.BC+]:—saw, [LXX+5th c.BC+]; π. ὀδοντωτός, opposed to π. μαχαιρωτός (toothless saw for cutting stone), [Refs 2nd c.AD+]; ὀδόντων π. saw of teeth, i.e. jagged row, [Refs 1st c.BC+]: absolutely, serrated ridge of hills, Spanish sierra, [LXX]; καλούμενος II. [Refs 2nd c.BC+]
__A.2 Saw, nickname of a timber-merchant, [Refs]
__A.3 cylindrical saw, trephine, [πρίων, but \_paroxytone\_ \_accusative\_ to Hdn.Gr. 1.20.)">Refs 5th c.BC+] [ Trag. and Comedy texts, also [Refs 2nd c.AD+]; in later Poets, dative plural πρῐόνεσσι [Refs 2nd c.BC+]

LSJ Scripture Refs: LXX.Amos.1.3