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anything upon itself, or one thing upon another; a winding motion. O'er the calm sea, in convolution swift, The feathered eddy floats. Thomson.

A unit equal to the product of one complete convolution (of a coiled conductor) into one ampère of current; thus, a conductor having five convolutions and carrying a current of half an ampère is said to have 2½ ampère turns. The magnetizing effect of a coil is proportional to the number of its ampère turns.…

A sinuous depression or sulcus like those separating the convolutions of the brain.

Having convolutions. beaks recurved and convoluted like a ram's horn. Pennant.

An oblong vermiform mass on the dorsal side of the testicle, composed of numerous convolutions of the excretory duct of that organ. -- Ep`i*did"y*mal, a.

A band of gray matter bordering the fimbria in the brain; the dentate convolution. Wilder.

Pertaining to a gyrus, or convolution.

A convoluted ridge between grooves; a convolution; as, the gyri of the brain; the gyri of brain coral. See Brain.

formed by the thread of the ordinary screw. It is distinguished from the spiral, all the convolutions of which are in the plane.

Below the margin; submarginal; as, an inframarginal convolution of the brain.

The state of being intervolved or coiled up; a convolution; as, the intervolutions of a snake. Hawthorne.

A general name for all those placental mammals that have a brain with few or no cerebral convolutions, as Rodentia, Insectivora, etc.

e late German Gothic tracery, in which the molded bar seems to pass through itself in its convolutions, and is then cut off short, so that a section of the molding is seen at the end of each similar stump. -- To go on the stump, or To take the stump, to engage in making public addresses for electioneering purposes; --…

A twist; a convolution. Typhon huge, ending in snaky twine. Milton.

A twist; a convolution. Woodward.

ite by winding one thread, strand, or other flexible substance, round another; to form by convolution, or winding separate things round each other; as, to twist yarn or thread. Shak.

Anything of a rounded or swelling form resembling a roll; a turn; a convolution; a coil. So glides some trodden serpent on the grass, And long behind wounded volume trails. Dryden. Undulating billows rolling their silver volumes. W. Irving.

Consisting of many folds, coils, or convolutions. But ended foul in many a scaly fold, Voluminous and vast. Milton. Over which dusky draperies are hanging, and voluminous curtains have long since fallen. De Quincey.

tely, or with repeated turns; especially, to turn about something fixed; to cause to form convolutions about anything; to coil; to twine; to twist; to wreathe; as, to wind thread on a spool or into a ball. Whether to wind The woodbine round this arbor. Milton.