märˈgōsə noun
( -s )
Etymology: modification of Portuguese amargosa, feminine of amargoso bitter, from (assumed) Vulgar Latin amaricosus, from Latin amarus bitter — more at amaroid
: a large East Indian tree ( Melia azadirachta ) whose trunk exudes a tenacious gum and has a bitter bark used as a tonic and whose fruit and seeds yield a medicinal aromatic oil — compare chinaberry 2