Concise Oxford English Dictionary

boon ■  noun     a thing that is helpful or beneficial.     archaic a favour or request.   ME: from ON bón.

Merriam-Webster Collegiate® Dictionary 1boon Pronunciation:     ‘bün Function:           noun Etymology:          Middle English bone prayer, request, the favor requested, from Old Norse bōn request; akin to Old English bēn prayer, bannan to summon ― more at BAN Date:               12th century 1 : BENEFIT, FAVOR especially : one that is given in answer to a request 2 : a timely benefit : BLESSING 2boon Function:           adjective Etymology:          Middle English bon, from Anglo-French, good ― more at BOUNTY Date:               14th century 1 archaic : FAVORABLE 2 : CONVIVIAL

EngMac

boon n 1. благодет, корист; a ~ to science благодет за науката; 2. љубезност, услуга; boon II a ведар, весел; a ~ companion весел другар; милост; благодет

English-Serbian dictionary

Boon Prijatan-Veseo-Dobro-Dobrocinstvo-Povoljan-Blagodat-Blagodet-Blagoslov-Ljubazan-Milost-Sretan-Vedar