dabbha : [m.] kusa-grass.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Dabbha [Sk. darbha to dṛbhati, to plait, interlace, etc. cp. Lith. darbas plaiting, crating] a bunch of kuśa grass (Poa Cynosuroides) D i.141; M i.344; A ii.207.
   -- puppha "kuśa -- flower," Ep. of a jackal J iii.334.

Pali-English Dictionary, TW Rhys Davids, William Stede,