n. [ Gr. 'i`chnos track, footstep. ] A fossil footprint; as, the ichnites in the Triassic sandstone. Page.

n. [ Ornitho- + Gr. 'i`chnos track. ] (Paleon.) The footmark of a bird occurring in strata of stone. Hitchcock. [ 1913 Webster ]

n. [ Ornitho- + -oid + Gr. 'i`chnos footstep, track. ] (Paleon.) A fossil track resembling that of a bird. Hitchcock. [ 1913 Webster ]

n. [ See Sauroid, and Ichnite. ] (Paleon.) The fossil track of a saurian. [ 1913 Webster ]