orbicular

comparative more orbicular · superlative most orbicular

1. Circular or spherical in shape; round.

   […] the Method used by Sailors when they mutiny, by signing their names in an orbicular manner, which they call a round Robin; […]

   1731 The Gentleman's Magazine, Weekly Essays in June 1731, Craftman, Sat. June 5, No. 257, p. 238

   1 more example

   The whole covey of victims was thus netted; the household ruin was thus full and orbicular; and in that proportion the tendency of men and women, flutter as they might, would be helplessly and hopelessly to sink into the all-conquering hands of the mighty murderer.

   1854, Thomas De Quincey, “On Murder, Considered as One of the Fine Arts. Postscript.”, in Miscellanies (De Quincey’s Works; IV), London: James Hogg & Sons, →OCLC, page 76

2. not comparableanatomyOf a muscle, surrounding an opening; compare orbicularis.

1. not comparablebiologyPertaining to an orbicula.