1.
neck
The part of the body connecting the head to the shoulders. Used for physical descriptions and neck-related expressions.
2.
dismissal, firing (from a job)
Colloquially, 首になる means to be fired from a job. This usage comes from the old practice of beheading.
Related Words
Related:
頭 (head)
Related:
肩 (shoulder)
Related:
喉 (throat)
Related:
うなじ (nape of the neck)