gecko

/G EH1 K OW0/
noun
  1. 1

    Any lizard of the family Gekkonidae. They are small, carnivorous, mostly nocturnal animals with large eyes and adhesive toes enabling them to climb on vertical and upside-down surfaces.

verb
  1. 1

    To move in the manner of a gecko; to attach to a vertical or upside-down surface.

Source: https://en.wiktionary.org/wiki/gecko