Definition of semantic memory in US English:

semantic memory

noun

Psychology
  • 1A type of long-term memory involving the capacity to recall words, concepts, or numbers, which is essential for the use and understanding of language.

    ‘if patients lose semantic memory, they struggle with knowledge of everyday objects in the world, and have trouble communicating’
    1. 1.1 A recollection of a word, concept, or number.
      ‘the extraction of semantic memories and associated emotions’