rachis — meaning in English

English meaning

• backbone noun The column of connected vertebrae running down the back that protects the spinal cord.
• shaft noun A long, narrow, straight part of a tool, weapon, or machine — such as a handle, pole, or rotating rod that transmits power.

Senses

rachis is used for these senses in English:

• backbone (countable) The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
• shaft The main axis of a feather.

backbone — full definition

1. noun The column of connected vertebrae running down the back that protects the spinal cord.
2. noun The essential support or core structure of a system or organization.
3. noun Firmness of character; courage.

shaft — full definition

1. noun A long, narrow, straight part of a tool, weapon, or machine — such as a handle, pole, or rotating rod that transmits power.
2. noun A vertical or sloped passage sunk into the ground, or a vertical passage in a building housing an elevator or ventilation.
3. noun A narrow beam of light.
4. verb To treat someone unfairly or cheat them, often through deceit.

Related French words