English Dictionary

drop letter

noun

(US) A letter mailed at a post office and either kept for general delivery, or delivered to a post office box, at that same post office.

I accidentally dropped the letter in the mailbox.

意味（1）

(US) A letter mailed at a post office and either kept for general delivery, or delivered to a post office box, at that same post office.

意味（2）

(typography) A large letter at the beginning of a line of text, positioned in a decorative way below the baseline of the rest of the type.