Real Dictionary

divide
verb: If you divide a larger number by a smaller number or divide a smaller number into a larger number, you calculate how many times the smaller number can fit exactly into the larger number.
verb: If you divide something among people or things, you separate it into several parts or quantities which you distribute to the people or things.
verb: When people or things are divided or divide into smaller groups or parts, they become separated into smaller parts.

divide in American English
the act of dividing
to be or become separate; part
to separate into parts; split up; sever
intransitive verb: to become divided or separated
noun: a division
transitive verb: to separate into parts, groups, sections, etc.

divide in British English
noun: an area of relatively high ground separating drainage basins; watershed
verb: to separate or be separated into parts or groups; split up; part