from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A fungus (Claviceps purpurea) that infects various cereal plants and forms compact black masses of branching filaments that replace many of the grains of the host plant.
- n. The disease caused by such a fungus.
- n. The dried sclerotia of ergot, usually obtained from rye seed and used as a source of several medicinally important alkaloids and as the basic source of lysergic acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any fungus in the genus Claviceps which are parasitic on grasses.
- n. The sclerotium (wintering stage) of certain fungi in the genus Claviceps, appearing as a deformed grain in certain cereals and grasses infected by the fungi.
from the GNU version of the Collaborative International Dictionary of English
- n. A diseased condition of rye and other cereals, in which the grains become black, and often spur-shaped. It is caused by a parasitic fungus, Claviceps purpurea.
- n. The mycelium or spawn of this fungus infecting grains of rye and wheat. It is a powerful remedial agent, and also a dangerous poison, and is used as a means of hastening childbirth, and to arrest bleeding.
- n. A stub, like soft horn, about the size of a chestnut, situated behind and below the pastern joint.
- n. See 2d Calcar, 3 (b).
from The Century Dictionary and Cyclopedia
- n. In farriery, a stub, like a piece of soft horn, of about the size of a chestnut, situated behind and below the pastern-joint, and commonly hidden under the tuft of the fetlock.
- n. A morbid growth arising from a diseased condition of the ovary of various grasses, caused by a fungus of the genus Claviceps.
- n. In anatomy, the calcar. spur, or hippocampus minor of the brain.
- To infer; arrive at.
- To draw conclusions.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a fungus that infects various cereal plants forming compact black masses of branching filaments that replace many grains of the plant; source of medicinally important alkaloids and of lysergic acid
- n. a plant disease caused by the ergot fungus
French, from Old French argot, cock's spur (from its shape).(American Heritage® Dictionary of the English Language, Fourth Edition)
French ergot, from Old French argot ("spur"). (Wiktionary)