Word of the day: CHUM

Chum: amigo íntimo,  companheiro de quarto, ser amigo íntimo, acamaradar-se,compartilhar do mesmo quarto

Synonyms: friend, associate, acquaintance, pal, companion, buddy, mate

“Dons' chief gets chatty with an old chum in Perth.”

“Still the new chum on the block and tends to be wild and erratic.”   (http://www.wordhippo.com)