Noun has 2 senses

• iv(n = noun.quantity) 4, four, foursome, little joe, quadruplet, quartet, quatern, quaternary, quaternion, quaternity, tetrad - the cardinal number that is the sum of three and one;


• iv(n = noun.act) intravenous feeding - administration of nutrients through a vein;

Adjective has 1 sense

• iv(s = adj.all) 4, four - being one more than three;