cockspur

• cock's-spur (obsolete)

From Middle English cokkispore, equivalent to cock +‎ spur.

cockspur (countable and uncountable, plural cockspurs)

1. (countable) A blade for tying to the foot of a gamecock.

   Synonym: gaff

2. (uncountable) Grass of species (Echinochloa crus-galli).

   Synonyms: barnyard grass, barnyard millet, cockspur grass, common barnyard grass, Japanese millet, water grass

3. (countable) A hawthorn of species (Crataegus crus-galli).

   Synonyms: cockspur hawthorn, cockspur thorn

4. (uncountable) Orchard grass, a widely grown tall stout hay and pasture grass (Dactylis glomerata) of Eurasia.
5. (countable) A small West Indian tree (Pisonia aculeata).
6. (countable) Any of several spiny trees, formerly all of the genus Acacia, such as Vachellia cookii (cockspur acacia).
7. (uncountable) Burgrass of species Cenchrus echinatus.
8. (uncountable) An annual European weed of species Centaurea melitensis, naturalized in North and South America.
9. Any plant of species Casearia aculeata, of the tropical Americas.

• cockspur on Wikipedia.Wikipedia
• “*cockspur*”, in OneLook Dictionary Search.