'Sigmoid' definitions:
Definition of 'sigmoid'
From: WordNet
adjective
Curved in two directions (like the letter S)
adjective
Of or relating to the sigmoid flexure in the large intestine [syn: sigmoid, sigmoidal]
Definition of 'Sigmoid'
From: GCIDE
- Sigmoid \Sig"moid\, Sigmoidal \Sig*moid"al\, a. [Gr. ???; ??? sigma + e'i^dos form, likeness: cf. F. sigmo["i]de.] Curved in two directions, like the letter S, or the Greek [sigmat]. [1913 Webster]
- Sigmoid flexure (Anat.), the last curve of the colon before it terminates in the rectum. See Illust. under Digestive.
- Sigmoid valves. (Anat.) See Semilunar valves, under Semilunar. [1913 Webster]
Synonyms of 'sigmoid'
From: Moby Thesaurus
- ambagious,
- anfractuous,
- bicorn,
- circuitous,
- circumlocutory,
- convolutional,
- corniform,
- crescent,
- crescent-shaped,
- crescentic,
- crescentiform,
- crescentlike,
- Cynthian,
- falcate,
- falciform,
- flexuose,
- flexuous,
- horn-shaped,
- horned,
- involute,
- involuted,
- involutional,
- labyrinthine,
- lunar,
- lunate,
- luniform,
- lunular,
- mazy,
- meandering,
- meandrous,
- menisciform,
- meniscoid,
- moon-shaped,
- moonlike,
- rivose,
- rivulose,
- roundabout,
- ruffled,
- S-shaped,
- semicircular,
- semilunar,
- serpentine,
- sickle-like,
- sickle-shaped,
- sinuate,
- sinuose,
- sinuous,
- snaky,
- torsional,
- tortile,
- tortuous,
- turning,
- twisting,
- twisty,
- two-horned,
- whorled,
- winding,
- wreathlike,
- wreathy