moiety

English Thesaurus

1. one of two basic subdivisions of a tribe (noun.group)

hypernym	:	social group,
definition	:	people sharing some social relation (noun.group)

member meronym	:	folk, tribe,
definition	:	a social division of (usually preliterate) people (noun.group)

2. one of two (approximately) equal parts (noun.quantity)

hypernym	:	half, one-half,
definition	:	one of two equal parts of a divisible whole (noun.quantity)