grit

n 1: a hard coarse-grained siliceous sandstone [syn: {gritrock},

{gritstone}]

2: (informal) fortitude; "he didn't have the guts to try it"

[syn: {backbone}, {guts}, {sand}, {gumption}]

v 1: cover with a grit; "grit roads"

2: clench together; "grit one's teeth"

GRIB

GRid In Binary.

The World Meteorological Organization's data format.

(1995-01-10)