copula
Concise Oxford English Dictionary © 2008 Oxford University Press:
copula /ˈkɒpjʊlə/
▶noun Logic & Grammar a connecting word, in particular a form of the verb be connecting a subject and complement.
– derivatives
copular adjective.
copular adjective.
– origin C17: from L., ‘connection, linking of words’, from co- ‘together’ + apere ‘fasten’.
'copula' also found in these Oxford entries:
