se·mi·ot·ic -'ät-ik or se·mi·ot·ics -iks n, pl semiotics a general philosophical theory of signs and symbols that deals esp. with their function in both artificially constructed and natural languages and comprises syntactics, semantics, and pragmatics
semiotic adj
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se·mi·ot·ic (se″me-otґik) [Gr. semeiōtikos] 1. pertaining to signs and symbols. 2. pertaining to the signs and symptoms of a disease. 3. pathognomonic. Also spelled semeiotic.Medical dictionary. 2011.