SILK n.
and Yucca. -- Silk moth (Zoöl.), the adult moth of any silkworm. See Silkworm. -- Silk shag, a coarse, rough-woven silk, like plush, but with a stiffer nap. -- Silk spider (Zoöl.), a large spider (Nephila plumipes), native of the Southern United States, remarkable for the large quantity of strong silk it produces an…
SOFTENING a.
or Cerebral softening (Med.), a localized softening of the brain substance, due to hemorrhage or inflammation. Three varieties, distinguished by their color and representing different stages of the morbid process, are known respectively as red, yellow, and white, softening.