gerund: Meaning and Definition of

ger•und

1. (in certain languages, as Latin) a form regularly derived from a verb and functioning as a noun, having in Latin all case forms but the nominative, as Latin dicendī gen., dicendō, dat., abl., etc., “saying.”
2. the English -ing form of a verb when functioning as a noun, as writing in Writing is easy.
3. a form similar to the Latin gerund in meaning or function.