What is the meaning of Bro?

Brother (a male sibling).

Brother (a male comrade or friend; one who shares one’s ideals).

Brother used to address a male.

A frat boy or someone who espouses the fraternity bro culture.

A person previously mentioned, usually male. Chiefly equivalent to he and him.

country (-side)

country, land

bridge

thorn

mountain top, peak

succession of peaks which make up a ridge

bridge

To blow, to produce air currents.

To breathe.

breath

bro (a male comrade or friend)

pitcher

bro (a male comrade or friend)

bro (used to address a male)

bridge (a construction that spans a divide)

road bank (a road reenforced with stone or timber, in particular across wetlands)

quay

porch

bro (used to address a person (presumably) around the same age, usually male)

region, country, land, neighbourhood, native haunt

border, limit, boundary, march

vale, lowland, champaign

Source: wiktionary.org