companion; partner; spouse
accompanying; being accompanied by; going with
attendance; accompanying; following; adjoint
(a bar hostess) coming to work accompanied by a customer
attendant; member of an entourage or retinue or party
two is a company, three is a crowd; one companion is better than two
adjoint matrix; Hermitian conjugate
Camellia japonica 'Bokuhan' (cultivar of common camellia)