from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See sheep laurel.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Kalmia angustifolia, a toxic plant with small, deep pink flowers.
from the GNU version of the Collaborative International Dictionary of English
- n. A small American ericaceous shrub (Kalmia angustifolia), resembling mountain laurel but having narrower leaves and small red flowers; -- called also calfkill, sheepkill, sheep laurel, etc. It is supposed to poison young sheep and other animals that eat it at times when the snow is deep and they cannot find other food.
from The Century Dictionary and Cyclopedia
- n. The sheep-laurel, Kalmia angustifolia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. North American dwarf shrub resembling mountain laurel but having narrower leaves and small red flowers; poisonous to young stock
From its poisonous effect on sheep.(American Heritage® Dictionary of the English Language, Fourth Edition)
lamb + kill (Wiktionary)