, n. (in the UK) a member of the Women's Royal Naval Service.
orig. in pl., f. abbr. WRNS
, n. any small usu. brown short-winged songbird of the family Troglodytidae, esp. Troglodytes troglodytes of Europe, having an erect tail.
OE wrenna, rel. to OHG wrendo, wrendilo, Icel. rindill