Full Idea
Ever since Frege, semantic definitionalists have posited a meaning ('sinn') for a name; the meaning/sinn is their semantic analog to the conceptual essence, as ontologically defining of the kind.
Gist of Idea
Fregean meanings are analogous to conceptual essence, defining a kind
Source
Joseph Almog (Nature Without Essence [2010], 07)
Book Reference
-: 'Journal of Philosophy' [-], p.370