[にい, nii] (n, n-suf) (1) (See 兄・あに) elder brother; (pn, adj-no) (2) (fam) (male) pronoun or suffix used in reference to an older brother figure; Mister; Mr#1902
[にい, nii] (n-suf) (1) (fam) used after the name of someone who is an older brother figure; (n) (2) (See お兄さん) used with various honorifics to mean (older) brother#1902