Dictionary
ac•an•thol•o•gy
Pronunciation: (ak"un-thol'u-jē), [key]—
n. Biol.
the study of spines, as in sea urchins or certain spiny-headed worms, particularly as they relate to taxonomic classification.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.