WordReference Random House Unabridged Dictionary of American English © 2026
gastr-, 
  1. var. of gastro- before a vowel:gastrectomy.

WordReference Random House Unabridged Dictionary of American English © 2026
gastro-, 
  1. a combining form meaning "stomach,'' used in the formation of compound words:gastrology.
Also,[esp. before a vowel,] gastr-. 
  • Greek, combining form of gasté̄r

'gastr-' also found in these entries (note: many are not synonyms or translations):
epigastrium - gastralgia - gastrectomy - gastric - gastrin - gastritis - gastro- - hypogastrium - mesogastrium

Forum discussions with the word(s) "gastr-" in the title:


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