Definify.com

Webster 1913 Edition

Noun.

The act or business of making, or marking with, letters, as by cutting or painting.

The letters made;

as, the

lettering

of a sign

ppr.

Impressing or forming letters on; as lettering a book on the cover.

lettering

lettering ‎(plural letterings)

Written, especially printed, text.
The lettering on the sign made it clear that intruders were unwelcome.

written text