Orig: from the middle voice of a compound of 1909 and 4921; a conspiracy, i.e. concourse (riotous or friendly):--that which cometh upon, + raising up. G1909
1) a hostile banding together or concourse 1a) to excite to a riotous gathering of the people to make a mob 1b) a troublesome throng of persons seeking help, counsel, comfort 1c) throng to one