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labrum

 - 5 dictionary results

la⋅brum

1[ley-bruhm, lab-ruhm]
–noun, plural la⋅bra [ley-bruh, lab-ruh] .
1. a lip or liplike part.
2. Zoology.
a. the anterior, unpaired member of the mouthparts of an arthropod, projecting in front of the mouth.
b. the outer margin of the aperture of a shell of a gastropod.
3. Anatomy. a ring of cartilage about the edge of a joint surface of a bone.

Origin:
1810–20; < L: lip; akin to labium

la⋅brum

2[ley-bruhm]
–noun, plural -bra [-bruh] . Archaeology.
an ornamented bathtub of ancient Rome.

Origin:
< L lābrum basin, contr. of lavābrum bathtub, equiv. to lavā(re) to wash + -brum instrumental suffix
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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la·brum   (lā'brəm)   
n.   pl. la·bra (-brə)
  1. A lip or liplike structure, such as the one forming the roof of the mouth in insects.

  2. The outer margin of the opening of a gastropod shell.


[Latin, lip; see leb- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: la·brum
Pronunciation: 'lA-br&m
Function: noun
1 : an upper or anterior mouthpart of an arthropod consisting of a singlemedian piece in front of or above the mandibles
2 : a fibrous ring of cartilage attached to the rim of a joint; especially : GLENOID LABRUM
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

labrum la·brum (lā'brəm)
n. pl. la·bra (-brə)
A lip-shaped anatomical edge, rim, or structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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