Strong's #6374: piyphiyah (pronounced pee-fee-yaw')
for 6366; an edge or tooth:--tooth, X two-edged.
Brown-Driver-Briggs Hebrew Lexicon:
ּּ
pı̂yphı̂yâh
1) tooth, edge, mouth
Part of Speech: noun feminine
Relation: for H6366
Usage:
This word is used 2 times:
Psalms 149:6: "Let the high praises of God be in their mouth, and a twoedged sword in their hand;"
Isaiah 41:15: "sharp threshing instrument having teeth: thou shalt thresh the mountains, and beat them small, and shalt make"