Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
topminnow is a noun meaning "small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control". It carries 2 recorded senses.
small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
freshwater fish of Central America having a long swordlike tail; popular aquarium fish
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 topminnow come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.