chance (an opportunity or possibility)

(term of endearment) mum, mommy

兄ちゃん: (familiar form for) elder brother; boy, lad, son

(familiar, term of address) (one's own) elder brother / (familiar or informal) boy; lad; chap

(familiar or childish) elder brother

お兄ちゃん: (familiar or childish) elder brother

(term of endearment) elder sister, (big) sissy

(rare) paternal grandmother, father's mother

a baby, an infant (human or animal)

(broadcasting) channel (specific radio frequency or band of frequencies)