This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Pl. musculi (-lī). In anatomy, a muscle.

n. [capitalized] In zoology:

n. A genus of mice, of which Mus musculus is the type: same as Mus.

n. A term in use among the conchologists of the seventeenth and eighteenth centuries for various bivalve shells, as Panopæa, Unionidæ, Cyrenidæ. Mytilidæ, etc.

n. A genus of brachiopods of the family Terebratulidæ.

n. one of the contractile organs of the body

"[13] also appears to have recognised these muscles, which he called the musculus cruciatus prothoracis."

contractor    contractile organ   

smooth muscle    levator    ocular muscle    sphincter    supinator    sphincter muscle    pronator    anatomical sphincter    skeletal muscle    involuntary muscle