quintuplet

noun

1. the cardinal number that is the sum of four and one

   noun.quantity

   Synonyms 5 cinque fin five fivesome little phoebe pentad phoebe quint quintet v

   Source: WordNet 3.0

2. one of five children born at the same time from the same pregnancy

   noun.person

   Synonyms quin quint

   Source: WordNet 3.0

3. a set of five similar things considered as a unit

   noun.group

   Synonyms quintet quintette quintuple

   Source: WordNet 3.0

4. A collection or combination of five of a kind.

   noun

   Source: webster1913