Definitions

from The Century Dictionary.

  • Relating to the lumen of any tubular organ or cell.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective biology of or pertaining to the lumen
  • noun medicine A sedative.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a long-acting barbiturate used as a sedative

Etymologies

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