Form

1.

a. The shape and structure of an object.

b. The body or outward appearance of a person or an animal considered separately from the face or head; figure.

2.

a. The essence of something.

b. The mode in which a thing exists, acts, or manifests itself; kind: a form of animal life; a form of blackmail.

3.

a. Proven ability to perform: a musician at the top of her form.

b. Fitness, as of an athlete or animal, with regard to health or training.

c. The past performance of a racehorse.

4.

a. A mold for the setting of concrete.