Quintuplets are a set of five babies born in one birth.

How much is a quintuple?

a number, amount, etc., five times as great as another. verb (used with or without object), quin·tu·pled, quin·tu·pling. to make or become five times as great.

What number does quintuple mean?

(Entry 1 of 2) 1 : being five times as great or as many. 2 : having five units or members.