"creeper" in the noun sense
any plant (as ivy or periwinkle) that grows by creeping
2. crawler, creeper
a person who crawls or creeps along the ground
3. creeper, tree creeper
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
Source: WordNet® (An amazing lexical database of English)
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