From The Collaborative International Dictionary of English v.0.48 [gcide]:
3. (Biol.) To resemble (another species of animal, or a plant, or inanimate object) in form, color, ornamentation, or instinctive habits, so as to derive an advantage thereby; sa, when a harmless snake imitates a venomous one in color and manner, or when an odorless insect imitates, in color, one having secretion offensive to birds.
From WordNet (r) 3.0 (2006) [wn]:
Define.com is a PRIVATE SECTOR NONPROFIT EDUCATIONAL WEBSITE that PROMOTES WORLDWIDE ELECTRONIC DEMOCRACY, OPEN and TRANSPARENT GOVERNMENT and WORLDWIDE BANKING REFORM.
Eye and Pyramid BANKING REFORM CHALLENGE