n.
Pronunciation: ˌ se-f ə -l ə - ' tho ̇ r- ˌ aks
Function: noun
Etymology: International Scientific Vocabulary
Date: 1835
: the united head and thorax of an arachnid or higher crustacean
n.
Pronunciation: ˌ se-f ə -l ə - ' tho ̇ r- ˌ aks
Function: noun
Etymology: International Scientific Vocabulary
Date: 1835
: the united head and thorax of an arachnid or higher crustacean
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012