S: (n) spot, speckle, dapple, patch, fleck, maculation (a small contrasting part of something) "a bald spot"; "a leopard's spots"; "a patch of clouds"; "patches of thin ice"; "a fleck of red"
S: (n) speck, pinpoint (a very small spot) "the plane was just a speck in the sky"
S: (n) nebula ((pathology) a faint cloudy spot on the cornea)
S: (n) splash (a patch of bright color) "her red hat gave her outfit a splash of color"
S: (n) worn spot, fret (a spot that has been worn away by abrasion or erosion)
S: (n) plaque ((pathology) a small abnormal patch on or inside the body)
S: (n) macule, macula (a patch of skin that is discolored but not usually elevated; caused by various diseases)
S: (n) parhelion, mock sun, sundog (a bright spot on the parhelic circle; caused by diffraction by ice crystals) "two or more parhelia are usually seen at once"
S: (n) sunspot, macula (a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field)
S: (n) facula, solar facula (a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots)
S: (n) fret, Greek fret, Greek key, key pattern (an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)) "there was a simple fret at the top of the walls"
S: (n) fret (a small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch)
Verb
S: (v) fuss, niggle, fret (worry unnecessarily or excessively) "don't fuss too much over the grandchildren--they are quite big now"
S: (v) fret (be agitated or irritated) "don't fret over these small details"
S: (v) fret (provide (a musical instrument) with frets) "fret a guitar"
S: (v) chafe, gall, fret (become or make sore by or as if by rubbing)