n. The character of being reticulated or netlike; that which is reticulated; a network, or an arrangement of veins, etc., resembling one.n. In ornithology, one of the plates or small scales the assemblage of which makes the tarsus of a bird reticulate; also, the whole set of such plates, and the state of being reticulate: distinguished from scutellation and lamination.n. A method of copying a painting or drawing by the help of threads stretched across a frame so as to form squares, an equal number of proportional squares being made on the canvas or paper on which the copy is to be made.