Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sealskin is a noun meaning "the pelt or fur (especially the underfur) of a seal". It carries 2 recorded senses.
a garment (as a jacket or coat or robe) made of sealskin
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 sealskin come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.