These gray and dun colors may be also produced by
mixing whites and blacks. --Sir I.
Newton.
2. Gray-haired; gray-headed; of a gray color; hoary.
3. Old; mature; as, gray experience. Ames.
{Gray antimony} (Min.), stibnite.
{Gray buck} (Zo["o]l.), the chickara.
{Gray cobalt} (Min.), smaltite.
{Gray copper} (Min.), tetrahedrite.
{Gray duck} (Zo["o]l.), the gadwall; also applied to the
female mallard.
{Gray falcon} (Zo["o]l.) the peregrine falcon.
{Gray Friar}. See {Franciscan}, and {Friar}.
{Gray hen} (Zo["o]l.), the female of the blackcock or black
grouse. See {Heath grouse}.
{Gray mill or millet} (Bot.), a name of several plants of the
genus {Lithospermum}; gromwell.
{Gray mullet} (Zo["o]l.) any one of the numerous species of
the genus {Mugil}, or family {Mugilid[ae]}, found both in
the Old World and America; as the European species ({M.
capito}, and {M. auratus}), the American striped mullet
({M. albula}), and the white or silver mullet ({M.
Braziliensis}). See {Mullet}.
{Gray owl} (Zo["o]l.), the European tawny or brown owl
({Syrnium aluco}). The great gray owl ({Ulula cinerea})
inhabits arctic America.
{Gray parrot} (Zo["o]l.), a parrot ({Psittacus erithacus}),
very commonly domesticated, and noted for its aptness in
learning to talk.
{Gray pike}. (Zo["o]l.) See {Sauger}.
{Gray snapper} (Zo["o]l.), a Florida fish; the sea lawyer.
See {Snapper}.
{Gray snipe} (Zo["o]l.), the dowitcher in winter plumage.
{Gray whale} (Zo["o]l.), a rather large and swift California
whale ({Rhachianectes glaucus}), formerly taken in large
numbers in the bays; -- called also {grayback},
{devilfish}, and {hardhead}.