doubling

What is the Definition of doubling?

Noun:

1. increase by a factor of two
2. raising the stakes in a card game by a factor of 2

Verb:

1. increase twofold
2. hit a two-base hit
3. bend over or curl up, usually with laughter or pain
4. do double duty; serve two purposes or have two functions
5. bridge: make a demand for (a card or suit)
6. make or do or perform again

Other meanings of doubling (synonyms, cognates).