The advertising or publicising of products using other products or promotions.

(biology) An outer protective covering such as the feathers or skin of an animal, a rind or shell. / (botany) The outer layer of an ovule, which develops into the seed coat.

A child, or fellow godchild, of one's godparent, or a godchild of one's parent: a person with whom one has a sibling relationship that is mediated or created by a godfamily tie rather than blood re...

a kind of plagiarism which uses relatively short sections of arbitrary sources and combines them to form a bigger, seemingly unified text.