bigeminalEtymologyLatin bigeminus (“doubled”), from bi- (“two”) + geminus (“double”).bigeminal means occurring in pairs; doubled or twinned. Lexicurio rates it Sui generis — a strength score of 85 out of 100.adjOccurring in pairs; doubled or twinned“a bigeminal pulse”nounThe occurrence of premature atrial or ventricular heartbeats in pairs.