body plan

noun3

1. •
   The morphological features common to a group of (typically, related) animals.
2. •
   A scheme of diet and exercise designed to maintain a healthy body.

   • The first day of your pure body plan should be a Friday. — 1987
3. •
   A model used in the construction of a boat or ship, composed to transverse sections perpendicular to the keel.

   • The middle line of the body plan, or fore perpendicular, is drawn square to the base, and the half siding of the stem and stern-post on each side of it. — 1869