from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A fossilized footprint.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A fossilized footprint or track of an animal.
from the GNU version of the Collaborative International Dictionary of English
- n. A fossil footprint.
from The Century Dictionary and Cyclopedia
- n. A fossil footprint; the fossilized track or trace of an animal: used mostly in compounds: as, ornithichnite, sauroidichnite, tetrapodichnite. See these words, and cut under footprint.
Greek ikhnos, track + -ite1.(American Heritage® Dictionary of the English Language, Fourth Edition)
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