领 (lǐng): cổ

The winter wind was strong, so she wrapped her scarf tightly around her neck, leaving only her eyes exposed.

When he lowered his head, a patch of sun-tanned skin showed below the back collar.

The doctor examined my neck area and said my lymph nodes were slightly swollen, so I needed more rest.

The collar of this shirt is too tight; after buttoning it up, he felt even his breathing was not smooth.