Meaning of capillatus

cap•il•la•tus

Pronunciation: (kap"u-lā'tus), [key]
— adj.
  1. (of a cumulonimbus cloud) having a cirriform upper portion that resembles an anvil or a disorderly mass of hair.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.