noun

• (countable) A blade for tying to the foot of a gamecock.
• (uncountable) Grass of species (Echinochloa crus-galli).
• (countable) A hawthorn of species (Crataegus crus-galli).
• (uncountable) Orchard grass, a widely grown tall stout hay and pasture grass (Dactylis glomerata) of Eurasia.
• (countable) A small West Indian tree (Pisonia aculeata).
• (countable) Any of several spiny trees, formerly all of the genus Acacia, such as Vachellia cookii (cockspur acacia).
• (uncountable) Burgrass of species Cenchrus echinatus.
• (uncountable) An annual European weed of species Centaurea melitensis, naturalized in North and South America.
• Any plant of species Casearia aculeata, of the tropical Americas.