baldspot

Noun

bald spot (plural bald spots)

1. An area on the head which, due to hair loss, has little or no hair.

   Synonyms:

   bald patch

2. An area where a covering layer is absent; for example, a place where there is a break in the forest covering an area, or where snow has melted.
   • from the forest, there lay before him, over an enormous extent of space, an even, velvety cover of green, without a single bald spot or washout, only here and there, in the swales, spotted with remnants of melting snow. He was not angered by the sight of a peasant horse and yearling colt, which...1904, Leo Tolstoy, translated by Leo Wiener, The Complete Works of Count Tolstoy: Anna Karénin, page 244