koṭacikā : [f.] the female organ.

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

Koṭacikā pudendum muliebre, in conn. with kāṭa as a vile term of abuse Vin iv.7 (Bdhgh. koṭacikā ti itthinimittaŋ . . . hīno nāma akkoso).

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