Strong's #285: ammos (pronounced am'-mos)

perhaps from 260; sand (as heaped on the beach):--sand.

Thayer's Greek Lexicon:

̓́

ammos

1) sand, sandy ground

Part of Speech: noun feminine

Relation: perhaps from G260

Usage:

This word is used 5 times:

 

Matthew 7:26: "house upon the sand:"
Romans 9:27: "be as the sand of the sea, a remnant shall be saved:"
Hebrews 11:12: "in multitude, and as the sand which is by the sea shore"
Revelation 13:1: "I stood upon the sand of the sea, and saw"
Revelation 20:8: "number of whom is as the sand of the sea."