Rachis definitions

rā'kĭs
noun
27
0
The principal axis of an inflorescence or of a compound leaf.
noun
24
0
The shaft of a feather, esp. that part bearing the barbs.
noun
21
0
The main shaft of a bird's feather, especially the part to which the barbs are attached.
noun
19
1
The spinal column.
noun
16
0
The main shaft of a bird's feather, especially the part to which the barbs are attached.
noun
13
0
The spinal column.
noun
10
0
A main axis or shaft, such as the main stem of an inflorescence, the stalk of a pinnately compound leaf, the shaft of a feather, or the spinal column.
4
0
The main stem of an elongated inflorescence, as in a grass.
noun
0
0
The main axis of a pinnately compound leaf or of a fern frond.
noun
0
0
The main stem of an elongated inflorescence, as in a grass.
noun
0
0
The main axis of a pinnately compound leaf or of a fern frond.
noun
0
0
(botany) The main shaft of either a compound leaf, head of grain, or fern frond.
noun
0
0
(zoology, anatomy) The spine or the vertebrae of the spine.
noun
0
0
(ornithology) The central shaft of a feather.
noun
0
0

Origin of rachis

From New Latin, from Ancient Greek ῥάχις (rhakhis, “spine, ridge").