• synonyms


noun Botany.
  1. the angle between the upper side of a leaf or stem and the supporting stem or branch.
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Origin of axil

First recorded in 1785–95, axil is from the Latin word axilla armpit
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for axil

Historical Examples of axil

  • Is there always a bud in the axil where the leaf stalk joins the twig?

    Cornell Nature-Study Leaflets


  • A lateral bud is one situated on the side of a twig in the axil of a leaf-scar.

    Michigan Trees

    Charles Herbert Otis

  • Butternut branch, with accessory buds, the uppermost above the axil.

  • Extra-axillary, said of a branch or bud somewhat out of the axil, 31.

  • Axil, the angle on the upper side between a leaf and the stem, 13.

British Dictionary definitions for axil


  1. the angle between the upper surface of a branch or leafstalk and the stem from which it grows
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Word Origin for axil

C18: from Latin axilla armpit
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

axil in Science


  1. The angle between the upper side of a leaf or stem and the stem or branch that supports it. A bud is usually found in the axil.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.