[f. UNDERLINE v.2] The action of drawing lines below words, etc.; a line or lines so drawn.
1864. Williams & Simmonds, Engl. Commerc. Corresp., 1. Underlinings too are frequent,… so as to catch the eye more readily.
1891. Meredith, One of our Conq., III. xxxi. 55–6. She begged Captain Dartrey, in double underlinings of her brief words, to mount the stairs.
