Le mot anglais pour lettre est
letter

Définition en anglais

lettre
1. n-f. letter (written character)
2. n-f. letter (written message)
3. n-f. (figuratively) the literal meaning, the plain meaning of something

letter	©
1. n. Lettre, caractère.
2. n. Lettre, message écrit sur du papier.

letter	©
1. n. A symbol in an alphabet.
There are twenty-six letters in the English alphabet.
2. n. A written or printed communication, generally longer and more formal than a note.
I wrote a letter to my sister about my life.
3. n. The literal meaning of something, as distinguished from its intended and remoter meaning (often contrasted with the spirit).
4. n. (plural) Literature.
Benjamin Franklin was multiskilled – a scientist, politician and a man of letters.
5. n. (law) A division unit of a piece of law marked by a letter of the alphabet.
Letter (b) constitutes an exception to this provision.
6. n. (US) A size of paper, 8½ in × 11 in (215.9 mm × 279.4 mm, US paper sizes rounded to the nearest 5 mm).
7. n. (Canada) A size of paper, 215 mm × 280 mm.
8. n. (US, scholastic) (clipping of varsity letter)
9. n. (printing, dated) A single type; type, collectively; a style of type.
10. v. To print, inscribe, or paint letters on something.
11. v. (intransitive, US, scholastic) To earn a varsity letter (award).
12. n. One who lets, or lets out.
the letter of a room
a blood-letter
13. n. (archaic) One who retards or hinders.