Definition of couch grass in English:

couch grass

Syllabification: couch grass
Pronunciation: /kouCH, ko͞oCH
 
/

noun

A coarse grass with long creeping roots, which can be troublesome in lawns and gardens.
  • Genera Elymus and Agropyron, family Gramineae: several species, in particular the common couch (A. repens)
More example sentences
  • This was the weedmat that defeated my oxalis and couch grass.
  • Raspberries creep underground like couch grass, though unfortunately not so rampantly.
  • It's constructed in the Han architectural style with yellow walls, black wood and couch grass.

Origin

late 16th century: variant of quitch.

Definition of couch grass in:

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walk or travel at a leisurely pace