to part asunder (a whole); to sever into two or more parts or pieces; to sunder; to separate into parts.-to cause to be separate; to keep apart by a partition, or by an imaginary line or limit; as, a wall divides two houses; a stream divides the towns.-to make partition of among a number; to apportion, as profits of stock among proprietors; to give in shares; to distribute; to mete out; to share.-to disunite in opinion or interest; to make discordant or hostile; to set at variance.-to separate into two parts, in order to ascertain the votes for and against a measure; as, to divide a legislative house upon a question.-to subject to arithmetical division.-to separate into species; -- said of a genus or generic term.-to mark divisions on; to graduate; as, to divide a sextant.-to play or sing in a florid style, or with variations.-to be separated; to part; to open; to go asunder.-to cause separation; to disunite.-to break friendship; to fall out.-to have a share; to partake.-to vote, as in the british parliament, by the members separating themselves into two parties (as on opposite sides of the hall or in opposite lobbies), that is, the ayes dividing from the noes.-a dividing ridge of land between the tributaries of two streams; a watershed.