sín verb /sĩ́/
Definitions
  1. to crack a nut (to reach the inner seed or kernel) intransitive
    Used in
    sínkùrọ́
Other entries with this spelling
Wiktionary records 4 entries spelled “sín”. You're reading one of them; here are the others.
Possibly used in
ìsínnoun sínwínverb
Source: Wiktionary · etymology 12, where this word is spelled “sin”. Reference: en-sin-yo-verb-JUxVk9B-