kaṇṇikā : [f.] the pericap; a sheaf; house-top; an ornament for the ear.

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

Kaṇṇikā (f.) [cp. kaṇṇaka & Sk. karṇikā] 1. an ornament for the ear, in ˚lakkhaṇa: see below. -- 2. the pericarp of a lotus J i.152, 183; v.416; Miln 361; Vism 124 (paduma˚); VvA 43. -- 3. the corner of the upper story of a palace or pagoda, house -- top J i.201; iii.146, 318, 431, 472; DhA i.77 (kūṭāgāra˚); DA i.43; VvA 304; Bdhd 92. -- 4. a sheaf in the form of a pinnacle DhA i.98. -- In cpds. kaṇṇika˚.
   -- baddha bound into a sheaf; fig. of objects of thoughts DhA i.304. -- maṇḍala part of the roof of a house J. iii.317; DhA iii.66; vi.178. -- rukkha a tree or log, used to form the top of a house J i.201=DhA i.269. -- lakkhaṇa the art of telling fortune by marks on ornaments of the ear, or of the house -- top D i.9 (=pilandhana -- k˚ pi geha -- k˚ pi vasena DA i.94).

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

kaṇṇikā: f. 耳環

巴漢辭典 編者：(斗六) 廖文燦