Function: noun
Date: 1956
: a fossil (as of a dinosaur footprint) that shows the activity of an animal or plant but is not formed from the organism itself
Function: noun
Date: 1956
: a fossil (as of a dinosaur footprint) that shows the activity of an animal or plant but is not formed from the organism itself
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012