say it: TIP-ur
tipper is a noun meaning "a person who leaves a tip". It carries 2 recorded senses.
truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity
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 tipper 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.