From Longman Dictionary of Contemporary Englishold dearold dearBritish EnglishOLD/NOT NEW a fairly rude expression meaning an old woman → dear
Examples from the Corpus
old dear• We were having tea at the same hotel when Mrs Harvey came in, with another old dear.• This week one old dear ignored her relatives and left £25,000 to her tortoise.• One old dear was doing her knitting.• The poor old dear has been having a hard time of late.• Or perhaps the two old dears together.• They were two old dears and good fun, but this one... well! 