mắt cá

From mắt (“eye”) +‎ cá (“fish”). The adjective is a semantic loan from English fisheye (adjective).

• (Hà Nội) IPA^(key): [mat̚˧˦ kaː˧˦]
• (Huế) IPA^(key): [mak̚˦˧˥ kaː˨˩˦]
• (Saigon) IPA^(key): [mak̚˦˥ kaː˦˥]

(classifier con) mắt cá

1. Used other than figuratively or idiomatically: see mắt,‎ cá.
2. (anatomy) malleolus

   mắt cá chân ― malleolus

3. (dermatology) plantar wart

mắt cá

1. (photography, film, of lenses or shots) fisheye