A shirt, sweater, or similar garment with such a neckline.(noun)
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Use "crewneck" in a sentence
"He held his broad shoulders erect in a proud military posture, and his soldier garb was pleasingly butch—shined combat boots, a black crewneck pullover with shoulder patches, and camo pants that were fitted around his narrow hips and muscular legs."
"Add a basic turtleneck or crewneck sweater to keep it simple."
"For instance, layer a crewneck periwinkle short-sleeved t-shirt over my long sleeve grey heather t , allowing the bottom of the grey heather to extend below the hem of the periwinkle to create an easy, layered look."