say it: pleet
pleat is a verb and noun meaning "pleat or gather into a ruffle". It carries 3 recorded senses.
any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape
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 pleat 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.