Form is the shape, visual appearance, constitution or configuration of an object.
Form may also refer to the following:
Form (document), a document (printed or electronic) with spaces in which to write or enter data
Form (education), a class, set or group of students
It's fair to say she has form on this: she has criticised David Cameron's proposal to create all-women shortlists for prospective MPs, tried to ban women wearing high heels at work as the resulting pain made them take time off work, and tried to reduce the point at which an abortion can take place from 24 to 21 weeks.
One other day after afternoon school, Mr. Percival came behind me and put his hand on me. "Let me see, what's your name? Which form are you in?  [ …] "