Jump bid
AUCTION
A bid one or more levels higher than necessary, used to show extra strength or (in some auctions) to preempt.
1♣ – 2♠ skips 1♠, so it is a jump.
Related
Play duplicate bridge at Nickel Bridge →
Adapted from Wikipedia’s Glossary of contract bridge terms · CC BY-SA 4.0 — our adapted text is shared under the same license.