The Collaborative International Dictionary of English v.0.48:
Sorrel \Sor"rel\, a. [F. saur, saure, OF. sor, sore, probably of
Teutonic origin; cf. D. zoor dry, LG. soor; the meaning
probably coming from the color of dry leaves. See Sear, a.,
and cf. Sorel.]
Of a yellowish or redish brown color; as, a sorrel horse.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Sorrel \Sor"rel\, n.
A yellowish or redish brown color.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Sorrel \Sor"rel\, n. [F. surelle, fr. sur sour, fr. OHG. s?r
sour. See Sour.] (Bot.)
One of various plants having a sour juice; especially, a
plant of the genus Rumex, as Rumex Acetosa, Rumex
Acetosella, etc.
[1913 Webster]
Mountain sorrel. (Bot.) See under Mountain.
Red sorrel. (Bot.)
(a) A malvaceous plant (Hibiscus Sabdariffa) whose acid
calyxes and capsules are used in the West Indies for
making tarts and acid drinks.
(b) A troublesome weed (Rumex Acetosella), also called
sheep sorrel.
Salt of sorrel (Chem.), binoxalate of potassa; -- so called
because obtained from the juice of Rumex Acetosella, or
Rumex Axetosa.
Sorrel tree (Bot.), a small ericaceous tree (Oxydendrum
arboreum) whose leaves resemble those of the peach and
have a sour taste. It is common along the Alleghanies.
Called also sourwood.
Wood sorrel (Bot.), any plant of the genus Oxalis.
[1913 Webster]
Moby Thesaurus II by Grady Ward, 1.0:
54 Moby Thesaurus words for "sorrel":
bay, bayard, beige, brown, brownish, brownish-yellow, brunet,
buckskin, calico pony, chestnut, chocolate, cinnamon, cocoa,
cocoa-brown, coffee, coffee-brown, dapple-gray, drab, dun,
dun-brown, dun-drab, ecru, fawn, fawn-colored, fuscous, gray,
grege, grizzle, hazel, khaki, lurid, nut-brown, olive-brown,
olive-drab, paint, painted pony, piebald, pinto, roan, seal,
seal-brown, sepia, skewbald, snuff-colored, tan, taupe, tawny,
toast, toast-brown, umber, umber-colored, walnut, walnut-brown,
yellowish-brown