[ Gr.
a. [ Cyclo- + branchiate. ] (Zool) Having the gills around the margin of the body, as certain limpets. [ 1913 Webster ]
n. (Zool.) One of the Cycloganoidei. [ 1913 Webster ]
a. (Zool.) Of or pertaining to the Cycloganoidei. [ 1913 Webster ]
‖n. pl. [ NL., fr. Gr.
n. [ Cyclo- + -graph. ] See Arcograph. [ 1913 Webster ]
n. [ Cyclo- + -oid: cf. F. cycloïde. ] (Geom.) A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane. [ 1913 Webster ]
☞ The common cycloid is the curve described when the generating point (p) is on the circumference of the generating circle; the curtate cycloid, when that point lies without the circumference; the prolate or inflected cycloid, when the generating point (p) lies within that circumference. [ 1913 Webster ]
a. (Zool.) Of or pertaining to the Cycloidei. [ 1913 Webster ]
Cycloid scale (Zool.),
n. (Zool.) One of the Cycloidei. [ 1913 Webster ]
a. Pertaining to, or resembling, a cycloid;
Cycloidal engine.