Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
caltrop is a noun meaning "tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed". It carries 3 recorded senses.
tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
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 caltrop come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.