GAUGE n.
r gauging the commonly accepted dimensions or shape of certain parts in general use, as screws, railway-car axles, etc. (b) A gauge used only for testing other similar gauges, and preserved as a reference, to detect wear of the working gauges. (c) (Railroads) See Note under Gauge, n., 5. -- Star gauge (Ordnance), an i…
GIB n.
r to afford a bearing surface; -- usually held or adjusted by means of a wedge, key, or screw. Gib and key, or Gib and cotter (Steam Engine), the fixed wedge or gib, and the driving wedge,key, or cotter, used for tightening the strap which holds the brasses at the end of a connecting rod.
GRACE n.
aving established it as a rule at her table, that whosoever staid till grace was said was rewarded with a bumper. Encyc. Brit. -- Grace hoop, a hoop used in playing graces. See Grace, n., 13. -- Grace note (Mus.), an appoggiatura. See Appoggiatura, and def. 11 above. -- Grace stroke, a finishing stoke or touch; a cou…