An italic capital letter with top and bottom flourishes, intended to fill an unsightly gap.

plural of side letter

(law) A collective bargaining agreement that is not part of the underlying or primary collective bargaining agreement used by the parties to the contract.

A pair of scales for weighing a letter to determine the cost of postage.

plural of letter balance

plural of lethal

Alternative letter-case form of Bibb lettuce

(law) power of attorney

plural of letter warrant

(poetry) The repeated letter or letter sequence in alliteration.