Rachis

1.

(Biology. A main axis or shaft, such as the main stem of an inflorescence, or the spinal column) ឆ្អឹងខ្នង, មែកឈើ

2.

(វេជ្ជសាស្ត្រ) ឆ្អឹងខ្នង

1.

The spine; the vertebral column.