B1a legal document that states and explains a formal agreement between two different people or groups, or the agreement itself: a contract of employmenta temporary/building contractThey could take legal action against you if you break (the terms of) the contract.My solicitor is drawing up(= writing) a contract.Don't sign/enter into any contract before examining its conditions carefully.[+ to infinitive]They're the firm of architects who won the contract to design the National Museum extension.Official documentsbe under contract›to have formally agreed to work for a company or person on a stated job for a stated period of timeEmployment status and types of work