labrum

¹

[ ley-bruhm, lab-ruhm ]

noun

, plural la·bra [ley, -br, uh, lab, -r, uh].

1. a lip or liplike part.
2. Zoology.
   1. the anterior, unpaired member of the mouthparts of an arthropod, projecting in front of the mouth.
   2. 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.

labrum

²

[ ley-bruhm ]

noun

, Archaeology.

, plural la·bra [ley, -br, uh].

1. an ornamented bathtub of ancient Rome.

labrum

/ ˈleɪbrəm; ˈlæb- /

noun

1. a lip or liplike part, such as the cuticular plate forming the upper lip of insects

Word History and Origins

Origin of labrum¹

1810–20; < Latin: lip; akin to labium

Origin of labrum²

< Latin lābrum basin, contraction of lavābrum bathtub, equivalent to lavā ( re ) to wash + -brum instrumental suffix

Word History and Origins

Origin of labrum¹

C19: New Latin, from Latin

Example Sentences

While learning the triple axel, she tore her lower labrum and had to undergo multiple hip surgeries.

From Popular-Science

Mayfied spent most of the season dealing with a completely torn labrum in his non-throwing shoulder after injuring it in Week 2, and he faced other assorted lower-body ailments.

From FiveThirtyEight

Majewski was called up to the big leagues in August and appeared in nine games with the Orioles before he suffered a torn labrum in his left shoulder.

From Washington Post

A torn labrum in her hip made her realize pro ball might not be in her future, but she couldn’t bear to leave the game behind.

From Washington Post

Once in, grasping structures called mandibles hold the host’s tissues apart while the largest of the stylets, the labrum, starts probing around.

From Popular-Science

Labrum semicirculare margine antico integro rotundato ciliato.

From Project Gutenberg

Labrum transverso-quadratum antice submembranaceum tomentosum subemarginatum.

From Project Gutenberg

A corneous piece which covers the instruments of suction above, representing the Labrum in a perfect mouth.

From Project Gutenberg

A small valve under the Labrum, that in many Hymenoptera closes the Pharynx, and is an appendage of its upper margin.

From Project Gutenberg

It includes all the parts that lie between its junction with the Prothorax and the Labrum: viz.

From Project Gutenberg

Related Words

• rim