Sigmoid
WordNet
adjective
(1) Of or relating to the sigmoid flexure in the large intestine
(2) Curved in two directions (like the letter S)
WiktionaryText
Etymology
From < or (sigma) "sigma" + (eidos) "form, likeness". Compare with French sigmoïde.
Adjective
- Curved in two directions, like the letter "S", or the Greek ς (sigma).
- Semi-circular, like the lunar sigma (similar to English C).
- Relating to the sigmoid flexure of the large intestine.