Word Study
sartorius
CIDE DICTIONARY
sartorius, n. [NL., fr. L. sartor a patcher, tailor, fr. sarcire, sartum, to patch, mend.].
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. [1913 Webster]
OXFORD DICTIONARY
sartorius, n. Anat. the long narrow muscle running across the front of each thigh.
Etymology
mod.L f. L sartor tailor (the muscle being used in adopting a tailor's cross-legged posture)
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