Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
metatarsal is a noun and adjective meaning "any bone of the foot between the ankle and the toes". It carries 2 recorded senses.
any bone of the foot between the ankle and the toes
of or relating to the metatarsus
“metatarsal bones”
Forms marked are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for metatarsal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.