A-line adjective 1noun 2forms 1 adjective1 •Having a silhouette that replicates the letter A by flaring out from the top, like a funnel, narrow and fitted at the neck and shoulders, skimming the hips and widening toward the bottom, with little or no shaping or seaming at the waist. noun2 •Any article of clothing with a narrow mid-section and a flared bottom. •Arterial line. formsA-lines
