Corynebacterium diphtheriae, the pathogenic bacterium that causes diphtheria.

A porch at the rear of a building.

plural of back porch

plural of back-story

plural of bachelor degree

plural of shield-backed bug

Any insect in the family Scutelleridae, true bugs which have the thorax extended to cover the wings and abdomen, and are often brightly-colored with a metallic gloss.

The back of a woman's gown in which one or more very broad folds are carried from the neck to the floor without being held in at the waist, while the front and sides of the gown are shaped to the person and have a belt or its equivalent.

(informal, dated) To retrace one's steps; to retreat.

Alternative form of backhandedly