[ ey-lahyn ]
/ ˈeɪˌlaɪn /
(especially in women's clothing) a cut of garment consisting basically of two A-shaped panels for the front and back, designed to give increasing fullness toward the hemline.
a garment having such a cut.
being of such design or cut: an A-line coat; an A-line dress.
Origin of A-line
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for a-line
It was a short A-line frock that covered her arms, and she paired it with a veil and a floral crown.Natalie Portman Weds in Rodarte; Jil Sander Goes Off The Grid|The Daily Beast|August 7, 2012|DAILY BEAST
The dominant silhouette in the collection was an A-line, triangular shape with narrow shoulders and a full skirt.Paris Fall Fashion Week Ends With Vuitton and Kanye|Robin Givhan|March 7, 2012|DAILY BEAST
British Dictionary definitions for a-line
(of a garment, esp a skirt or dress) flaring slightly from the waist or shoulders
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012