lettrer
Meanings
Verb
1. to send a letter (to someone) (transitive, archaic)
2. to educate, to teach to read and write (transitive)
Examples4
Mets-le dans une boîte aux lettres.
Put it in a postbox.
écrire en toutes lettres
to write in full, to write out in words
écrit en toutes lettres
written out, spelled out
Je vérifie ma boîte aux lettres presque tous les jours.
I check my mailbox almost every day.