Longman Dictionary of Contemporary English - bunch

~1 n 1 bunch of flowers/keys/grapes etc a group of flowers, keys etc that are fastened or held together 2 informal a group of people  (Our new neighbours are a weird bunch.) 3 the pick of the bunch the best among a group of people or things 4 especially AmE a large number of people or things, or a large amount of something + of  (The doctor asked me a bunch of questions.) 5 in bunches BrE if a girl wears her hair in bunches, she ties it together at each side of her head 6 thanks a bunch an expression meaning thank you very much, used jokingly when you are not grateful at all ~2 v also bunch together, bunch up 1 to stay close together in a group  (The children bunched together in little groups in the playground.) 2 to tighten part of your body  (Sean bunched his fists and strode towards them.) 3 to hold or tie things together in a bunch 4 to pull material together tightly in folds