资料来源 : pyDict

凸形的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Umbonate \Um"bo*nate\, Umbonated \Um"bo*na`ted\, a. [NL.
   umbonatus. See {Umbo}.]
   Having a conical or rounded projection or protuberance, like
   a boss.