a collarless neckline, as on a sweater or jersey, that fits snugly at the base of the neck.
a sweater, jersey, or other garment having such a neckline.
Origin of crew neck
An Americanism dating back to 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a plain round neckline in sweaters
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