Noun
okina (plural okinas)
The Hawaiian apostrophe-like letter (ʻ ) used to indicate the glottal stop consonant.
Article XV, Section 1 of the Constitution uses The State of Hawaii. citation Diacritics were not used because the document, drafted in 1949, citation predates the use of the okina ( ) and the kahakō in modern Hawaiian orthography. Source: Internet
For examples of the okina, consider the Hawaiian words Hawai i and O ahu (often simply Hawaii and Oahu in English orthography). Source: Internet