Lewis & Short

cŏlūrus, a, um, adj., = κόλουρος, mutilated; hence,

  1. I. In astron.: coluri circuli, = κόλουροι, the colures, two circles passing through the equinoctial and solstitial points, and cutting each other at right angles at the poles, Macr. Somn. Scip. 1, 15.
  2. II. In metre: metrum, a syllable too short, Plotius, Metr. p. 2649 P.