cockspur是什么意思？

cockspur

英['kɒkspɜ:] 美['kɒkˌspɜ]

• n. 鸡距，避霜花；

例句

• Green bristlegrass was dominant species, and fat hen and cockspur grass were subdominant species. 研究区内有野生草本植物25种,其中优势种群是狗尾草种群, 亚优势种群为灰菜、稗草种群.

英英词典释义

• Noun
  1. widely grown stout Old World hay and pasture grass
  2. small spiny West Indian tree