ˌsēd.əthəˈrīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Cetotherium, type genus (from cet- + -therium ) + -idae
: a family of extinct whalebone whales
ˌsēd.əthəˈrīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Cetotherium, type genus (from cet- + -therium ) + -idae
: a family of extinct whalebone whales
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012