margin i form (mar jin i form)

[L. mar go ( margin- ), edge, border, + form a, form.] Like a border, edge, or margin; forming a mere rim of something: as, the margin i form ears of some spermophiles. Coues. margining (mär'ji-ning), n. [Verbal n. of mar gin, v.] Margins collectively; also, the form or character of a margin; marks or colors bordering a surface: as, a black margining. margin i rostral (mär"ji-ni-ros'tral), a. [L. mar go ( margin- ), edge, border, + rostrum, bill, beak: see rostral.] Bordering or fringing the bill: applied by Macgillivray to feathers situ Marian ated about the basal margin of the bills of birds. [Scarcely in use.]