| rachis or rhachis (ˈreɪkɪs) | |
| —n , pl rachises, rhachises, rachides, rhachides | |
| 1. | botany the main axis or stem of an inflorescence or compound leaf |
| 2. | ornithol the shaft of a feather, esp the part that carries the barbs |
| 3. | another name for spinal column |
| [C17: via New Latin from Greek rhakhis ridge] | |
| rhachis or rhachis (ˈreɪkɪs, ˈrækɪˌdiːz, ˈreɪ-) | |
| —n | |
| [C17: via New Latin from Greek rhakhis ridge] | |
| rachial or rhachis | |
| —adj | |
| rhachial or rhachis | |
| —adj | |
| rachidial or rhachis | |
| —adj | |
| rhachidial or rhachis | |
| —adj | |
| rhachis (ˈreɪkɪs) | |
| —n , pl rhachises, rhachides | |
| a variant spelling of rachis | |