The Collaborative International Dictionary
Lambkill \Lamb"kill`\, n. (Bot.) 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.
Syn: sheep laurel, pig laurel, Kalmia angustifolia.
Wiktionary
n. (taxlink Kalmia angustifolia species noshow=1), a shrub in the family Ericaceae, with pink flowers.
WordNet
n. North American dwarf shrub resembling mountain laurel but having narrower leaves and small red flowers; poisonous to young stock [syn: pig laurel, lambkill, Kalmia angustifolia]
Usage examples of "sheep laurel".
He shoveled down the egg and bread standing at the kitchen window, watching the gray-shingled houses across the street melt from the darkness, shadowy clumps resolving into thickets of bayberry and sheep laurel, a picket line of Japanese pines beyond them.