say it: TAL-oh
tallow is a noun meaning "obtained from suet and used in making soap, candles and lubricants". It carries one recorded sense.
obtained from suet and used in making soap, candles and lubricants
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 tallow come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.