Definition of forage verb from the Oxford Advanced Learner's Dictionary
forage
verb
ˈfɒrɪdʒ ˈfɔːrɪdʒ ˈfɑːrɪdʒ
1[intransitive]forage (for something) (especially of an animal) to search for foodThe female only leaves the young when she forages for food.2[intransitive]forage (for something) (of a person) to search for something, especially using the hands
Synonym
rummageHer assistant was foraging in a cupboard for some envelopes.