in Anatomy, the concourse of the tendons of the oblique and transverse muscles of the abdomen; dividing the abdomen in two, in the middle. It is called linea, line, as being straight; and alba, from its colour, which is white.—The linea alba receives a twig of a nerve from the intercoffals in each of its digitations or indentings, which are visible to the eye, in lean persons especially.