1. Any of various small insectivorous birds of the Northern Hemisphere that climb up a tree trunk supporting themselves on stiff tail feathers and their feet
   "We observed a tree creeper's methodical search for food on the bark";
   - creeper
    
2. Any of numerous South American and Central American birds with a curved bill and stiffened tail feathers that climb and feed like woodpeckers
   "The tree creeper clung to the tree trunk, probing for insects with its curved bill";
   - woodhewer, woodcreeper, wood-creeper

Derived forms: tree creepers

Type of: oscine, oscine bird, tyrannid

Part of: Certhiidae, Dendrocolaptidae, family Certhiidae, family Dendrocolaptidae

Encyclopedia: Tree creeper