The Collaborative International Dictionary
Hound's-tongue \Hound's"-tongue`\, n. [AS. hundes tunge.] (Bot.) A biennial weed ( Cynoglossum officinale), with soft tongue-shaped leaves, and an offensive odor. It bears nutlets covered with barbed or hooked prickles. Called also dog's-tongue.
Wiktionary
n. (alternative form of hound's tongue English)
WordNet
n. perennial shrub of North America having coarse tongue-shaped leaves and pale-blue to purple flowers [syn: Cynoglossum virginaticum]
biennial shrub of Europe and western Asia having coarse tongue-shaped leaves and dark reddish-purple flowers [syn: Cynoglossum officinale]
Usage examples of "hound's-tongue".
Shin-high autumn grass waved green-gold in the afternoon light, starred with late wildflowers, tall orange-yellow butter-and-egg plants, red-purple deer grass and hound's-tongue.