say it: NEH-kluhs
necklace is a noun meaning "jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women)". It carries one recorded sense.
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 necklace 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.