Function: noun
Date: 1831
: a rib (as one of either of the last two pairs in humans) that has no attachment to the sternum ― compare FALSE RIB
Function: noun
Date: 1831
: a rib (as one of either of the last two pairs in humans) that has no attachment to the sternum ― compare FALSE RIB
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012