资料来源 : pyDict

露天剧场的遮日篷,天幕

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

Velarium \Ve*la"ri*um\, n.; pl. {Velaria}. [L., a covering.]
   (Zo["o]l.)
   The marginal membrane of certain medus[ae] belonging to the
   Discophora.