iv meaning and definition

IV noun

Definition of IV (noun)

1. the cardinal number that is the sum of three and one
   • synonyms: 4, four, foursome, Little Joe, quadruplet, quartet, quatern, quaternary, quaternion, quaternity, tetrad
2. administration of nutrients through a vein
   • synonyms: intravenous feeding

IV adjective

Definition of iv (adjective)

1. being one more than three
   • synonyms: 4, four