Definition of "pearly"

pearly

noun
countable and uncountable, plural pearlies
1. (uncountable, uncommon, dated) A pale greyish white colour, tinted with blue.
  Quotations
  In nature we as often find the light cool as warm; also in the pictures of many of the Flemish and Dutch schools, where, as Sir Joshua himself mentions, " the silver gray or pearly is predominant, and are valued by the connoisseurs in proportion as they possess this excellence of a silver tint."
  1830, John Burnet, A practical treatise on painting, page 3
  Pearly is that silky and often coloured lustre which renders of such value
  1884, The popular educator, page 49
  When (the scales are) more developed and thickened, the color (pearly) is deepened, shading
  1899, St. Louis medical and surgical journal, page 126
2. (countable, Britain, slang, especially in plural) A tooth.
adjective
comparative pearlier, superlative pearliest
1. Of a pale greyish white colour, tinted with blue.
2. Resembling or characteristic of a pearl; nacreous.
3. Containing or yielding pearls.
4. Having a pure sweet tone.