• WordNet 3.6
    • n axil the upper angle between an axis and an offshoot such as a branch or leafstalk
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Webster's Revised Unabridged Dictionary
    • n Axil ăks"ĭl (Bot) The angle or point of divergence between the upper side of a branch, leaf, or petiole, and the stem or branch from which it springs.
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Century Dictionary and Cyclopedia
    • n axil The armpit, or axilla (which see).
    • n axil In botany, the angle formed between the upper side of a leaf and the stem or branch to which it is attached; in cryptogams, the angle formed by the branching of a frond.
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Chambers's Twentieth Century Dictionary
    • ns Axil (bot.) the angle between the upper side of a branch and the trunk, or a petiole and the stem it springs from
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Webster's Revised Unabridged Dictionary
L. axilla,. Cf. Axle
Chambers's Twentieth Century Dictionary
L. axilla, the armpit.


In literature:

Also abundant small flowers lacking petals, produced from the axils later.
"Wild Flowers Worth Knowing" by Neltje Blanchan
It grows in little bunches, in the axils of pairs of fleshy leaves, on a climbing vine.
"At Last" by Charles Kingsley
The leaves are reduced to little scales (eyelids), in the axils of which come the buds (eyes).
"Outlines of Lessons in Botany, Part I; From Seed to Leaf" by Jane H. Newell
A scar in the leaf-axil marks the failure of another flower.
"The Apple-Tree" by L. H. Bailey
Note the appearance of little cobs in the axils of the leaves.
"Ontario Teachers' Manuals: Nature Study" by Ontario Ministry of Education
At last, in the axil of one of the leaves there comes a little bud that does not unfold into a leaf but into a flower.
"The Renewal of Life; How and When to Tell the Story to the Young" by Margaret Warner Morley
In some sweet peas the axils whence the leaves and flower stalks spring from the main stem are of a deep red colour.
"Mendelism" by Reginald Crundall Punnett
The Common Locust has several buds under the leafstalk and one above it in the axil.
"Trees of the Northern United States" by Austin C. Apgar
The Pear Sucker is a jumping plant-louse which early in the season sucks the juices of the tree about the axils of the leaves.
"The Book of Pears and Plums" by Edward Bartrum
The two lower bracts are termed glumes, and have no flowers in their axils.
"The Plants of Michigan" by Henry Allan Gleason

In news:

It presents layers of leaves whorled evenly around the stem with a flower stalk reaching out from the axil to present a single flower above the tip of the leaf.
These unique flowers emerge from the leaf axils, which are large oblong and dark green.

In science:

GC of the form ς v (0) − pλ − λ0 [Iv − Tv (λ)]ς v (0) = 0, Here Tv (λ) is the scattering matrix of the axil lary problem on the spider domain which corresponds to the junction Jv,ε , and ς v is the vector which consists of restrictions of the function ς (defined on Γ) onto edges adjacent to v .
Propagation of Waves in Networks of Thin Fibers