1. a set of five children born at one birth
2. a group or set of five similar things

1. to multiply by five or increase fivefold

Examples

• The hospital celebrated the birth of healthy quintuples.
• She was amazed to learn she was carrying quintuples.
• The recipe calls for quintuples of the original spice amounts.
• The company quintuples its production during peak season.
• Sales quintupled after the new marketing campaign launched.
• The population quintuples every summer when tourists arrive.
• He quintuples his workout routine before competitions.