kuñja : [nt.] a glen; dell.

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

Kuñja (m.) a hollow, a glen, dell, used by Dhpāla in expln of kuñjara at VvA 35 (kuñjaro ti kuñje giritale ramati) and PvA 57 (kuŋ pathaviŋ jīrayati kuñjo suvāraŋ aticarati kuñjaro ti). -- nadī˚ a river glen DA i.209.

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