Illustrated Glossary of Organic Chemistry

Boat conformation: A six-membered ring conformation in which atoms 1, 2, 4, and 5 are coplanar, and atoms 3 and 6 are bent out of the plane in the same direction.

Boat conformation of cyclohexane.

An Egyptian boat. Note that the bow and stern (front and back ends) of the boat point in the same direction (both up).