A crew neckline is a type of neckline seen on shirts or sweaters that forms a round and close-fitting shape around the base of the neck, similar to the shape of a crew member's collar on a uniform. Full definition
Crafted from soft, lightweight cotton, the tee comprises a classic crew neckline, 3/4 length sleeves and wide ruffle detailing at the sleeves and hem. (coggles.com)
I liked the high crew neckline of this romper. (ladyinviolet.com)