Pronunciation: /neɪl daʊn/
noun a small metal spike with a broadened flat head, driven typically into wood with a hammer to join things together or to serve as a peg or hook
A1 I need a nail down to hang this picture.
A2 Can you pass me the nail down so I can fix the loose board?
B1 The carpenter used a nail down to secure the wooden planks together.
B2 Make sure to use a hammer to drive the nail down firmly into place.
C1 The contractor brought a variety of nails down to the construction site.
C2 It is important to choose the right type of nail down for the specific task at hand.
verb to secure or finalize something, typically after much discussion or effort
A1 I need to nail down the date for our meeting.
A2 She finally nailed down the location for the party.
B1 The team is working hard to nail down the details of the project.
B2 After weeks of negotiations, they were able to nail down a contract agreement.
C1 The researchers are trying to nail down the exact cause of the disease outbreak.
C2 It took months of investigation to nail down the identity of the elusive criminal.
formal It is important to nail down all the details before finalizing the contract.
informal Let's nail down the time for our meeting tomorrow.
slang I need to nail down my plans for the weekend.
figurative She finally managed to nail down the elusive concept after hours of studying.
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