1. plural of two; the number 2 or things numbered 2
2. playing cards, dominoes, or dice showing two spots or having the value of two
3. groups of two people or things

Examples

• The children lined up in twos for the field trip.
• She had a pair of twos in her poker hand.
• The dancers performed in twos across the stage.
• All the twos were missing from the deck of cards.
• The students worked in twos on the science project.
• He rolled double twos with the dice.
• The teacher asked them to count by twos.