Synonyms for Meat (same or very similar meaning)
WordNet sense 1 (the inner and usually edible part of a seed or grain or nut or fruit stone):
kernel
WordNet sense 2 (the choicest or most essential or most vital part of some idea or experience):
center, core, essence, gist, heart, marrow, nitty-gritty, nub, pith, substance, sum, inwardness, heart and soul
From the ODE community, based on WordNet
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