SARTORIUS
sartorius, sartorius muscle, musculus sartorius
(noun) a muscle in the thigh that helps to rotate the leg into the sitting position assumed by a tailor; the longest muscle in the human body
Source: WordNet® 3.1
Etymology
Noun
sartorius (plural sartorii)
(anatomy) A long, thin muscle that runs down the length of the thigh; the longest muscle in the human body.
Proper noun
Sartorius
A surname.
Rolf Jacob Sartorius ― (name of an American singer)
Source: Wiktionary
Sar*to"ri*us, n. Etym: [NL., fr. L. sartor a patcher, tailor, fr.
sarcire, sartum, to patch, mend.] (Anat.)
Definition: A muscle of the thigh, called the tailor's muscle, which arises
from the hip bone and is inserted just below the knee. So named
because its contraction was supposed to produce the position of the
legs assumed by the tailor in sitting.
Source: Webster’s Unabridged Dictionary 1913 Edition