cycloid — English Dictionary

Noun

1. The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.

   Examples

   In the firſt Courſe there was a Shoulder of Mutton, cut into an Æquilateral Triangle, a Piece of Beef into a Rhomboides, and a Pudding into a Cycloid.

2. A fish having cycloid scales.

Adjective

1. Resembling a circle; cycloidal.

   Usage

   • not-comparable

2. Thin and rounded, with smooth edges.

   Usage

   • not-comparable
   • of fish scales

3. characterized by alternating high and low moods.

   Usage

   • not-comparable

Adjective

1. resembling a circle

   Synonyms

   cycloidal

Noun

1. a line generated by a point on a circle rolling along a straight line

   Broader terms

   rouletteline roulette