o·ki·na or 'o·ki·na 
(ō-kēnə)
(ō-kēnə)n.
1. The glottal stop used in the Hawaiian language.
2. The symbol (') used in writing to represent this glottal stop.
[Hawaiian 'okina, separator : 'oki, to cut off (from Proto-Polynesian koti) + -na, noun suff.]