onuses is onus's Plural Form

onus

US [ˈoʊnəs]

UK [ˈəʊnəs]

n.〈外〉义务；责任；负担；重担
Web光网络单元；人口负债；光纤网络单元

Plural Form：onuses

Synonym

n.

responsibility,burden,obligation,duty

E-C

E-E

Web Definition

n.	1. 〈外〉义务;责任;负担;重担