Meaning

noun a dry form of lava resembling clinkers

noun an international organization that provides a support group for persons trying to overcome alcoholism

noun an associate degree in arts

originEtymology tree Proto-Polynesian *kaha Proto-Polynesian *kakaha Hawaiian ʻaʻābor. English aa Borrowed from Hawaiian ʻaʻā.

Etymology from Wiktionary, CC BY-SA 3.0