Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
axillary is an adjective meaning "of or relating to the axil". It carries 2 recorded senses.
of or relating to the armpit
“axillary gland”
anatomy
Definitions, synonyms and semantic relations for axillary come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.