Century Dictionary and Cyclopedia
- n. See rachis.
- n. alternative spelling of rachis.
GNU Webster's 1913
- n. (Anat.) The spine.
- n. The continued stem or midrib of a pinnately compound leaf, as in a rose leaf or a fern.
- n. The principal axis in a raceme, spike, panicle, or corymb.
- n. The shaft of a feather. The rhachis of the after-shaft, or plumule, is called the
- n. The central cord in the stem of a crinoid.
- n. The median part of the radula of a mollusk.
- n. A central cord of the ovary of nematodes.
“Half a dozen ants may be seen perpetually engaged in, apparently, an unmethodical but extremely minute and critical inspection of the rhachis and the nerves or ribs of the leaf.”
“The leaflets and rhachis are covered in dense, shoe, rough brown hair.”
“Between each leaflet there is a nectary gland on the leaf rhachis; in 1. edulis these are large (2 to 3 mm) and squashed transversely, an important character for identifying the species.”
“The leaflets and rhachis are covered in dense, short, rough brown hair.”
“Leaflets ovate or nearly so, with obtuse or acute apex; rhachis somewhat pubescent.”
“Leaflets lanceolate, with acuminate apex; rhachis glabrous.”
“Equinoctial America nowhere produces, not even on the back of the Andes, an oak resembling the Quercus suber; and neither the light wood of the bombax, the ochroma, and other malvaceous plants, nor the rhachis of maize, of which the natives make use, can well supply the place of our corks.”
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