This is the verse translation, not a definition of the individual word.
Indeed, We sent to every community a messenger, [saying], “Worship Allah and shun false gods[1].” Among them were some whom Allah guided, while others were destined to stray. So travel through the land and see how was the end of the deniers!
Source
[1] Tāghūt: false objects of worship. See footnote 2:256.