Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sandbur is a noun meaning "grass of the eastern United States and tropical America having spikelets enclosed in prickly burs". It carries one recorded sense.
grass of the eastern United States and tropical America having spikelets enclosed in prickly burs
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 sandbur come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.