Quick answer
Gilbert is a boy name meaning "bright pledge".
Pronunciation: American English /ˈɡɪl.bəɹt/; British English /ˈɡɪl.bət/; French /ʒil.bɛʁ/; Dutch /ˈɣɪl.bərt/.
Meaning and history
The name means "bright pledge", derived from the Old German elements gisal "pledge, hostage" and beraht "bright". The Normans introduced this name to England, where it was common during the Middle Ages. It was borne by a 12th-century English saint, the founder of the religious order known as the Gilbertines.
Notes and context
Usage: english, french, dutch, germanic