(grā) adjective
1. Of the color of white and black mixed and without brilliancy.
2. Having gray hair; hoary.
3. Hence, old; aged.
4. Wearing a gray habit: a Gray Friar. See synonyms under ANCIENT.
—noun
1. A gray color; any dull, whitish tint; specifically, an achromatic color; one which may have brilliance but no hue. See COLOR
2. Something gray; specifically, a gray animal.
—v.t. & v.i. To make or become gray. Also esp. Brit. grey. [OE grǣg]
—gray′ly adverb
—gray′ness noun

(grā) noun
A soldier of the Confederate Army in the American Civil War; also, collectively, the Confederate Army itself: the Blue and the Gray. Compare BLUE.

(grā), Asa,
1810–88, U.S. botanist.
—Elisha,
1835–1901, U.S. electrician and inventor.
—Thomas,
1716–71, English poet.