Dictionary Definition :
Definition[1]
:
flank : (m.) passa; pakkha. (f.) phāsulikā. (v.t.) passe tiṭṭhati; passato rakkhati. (pp.) passe tiṭṭhita; passato rakkhita.
Source
:
A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]