aboral

American

[ab-awr-uhl, -ohr-] / æbˈɔr əl, -ˈoʊr- /

adjective

Anatomy, Zoology.

opposite to or away from the mouth.

aboral British

/ æbˈɔːrəl /

adjective

zoology away from or opposite the mouth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

aborally

adverb

Etymology

Origin of aboral

First recorded in 1855–60; ab- + oral

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

aboral

To understand how the aboral organ is organized internally, researchers collaborated with Maike Kittelmann at Oxford Brookes University and used advanced volume electron microscopy.

From Science Daily ● Mar. 6, 2026

The analysis revealed 17 different cell types within the aboral organ, including 11 secretory and ciliated cell types that had never been identified before.

From Science Daily ● Mar. 6, 2026

Gibbons prefer life high up off the ground and are crippled by the loss of an aboral home.

From National Geographic ● Jun. 21, 2018

Water enters the madreporite on the aboral side of the echinoderm.

From Textbooks ● Jan. 1, 2015

Sub-class I. Monocyclica.—Crinoidea in which the base consists of BB only, the aboral prolongations of the chambered organ being interradial; new columnals are introduced at the extreme proximal end of the stem.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023