n. 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.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. The armpit, or axilla (which see).
n. 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.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the upper angle between an axis and an offshoot such as a branch or leafstalk
Word Usage
"Some lilies produce bulbils that grow along the stems at the leaf axil."