Broader meaning in Hawaiian, since males of your parents' generation (or older) may be called `anakala, even if they are of no relation. An `anakala is a male friend of your parents
Comments on word
Note: makua kāne is an older term, which has fallen out of use with this meaning (now it just means 'father'). Also: makua kāne `ōpio used to mean 'parent's younger brother' specifically, while makua kāne makua meant 'parent's older brother'.