RHACHIS

Noun

rhachis (plural rhachises or rhachides)

Alternative spelling of rachis

Source: Wiktionary


Rha"chis, n.; pl. E. Rhachises, L. Rhachides. Etym: [See Rachis.] [Written also rechis.]

1. (Anat.)

Definition: The spine.

2. (Bot.) (a) The continued stem or midrib of a pinnately compound leaf, as in a rose leaf or a fern. (b) The principal axis in a raceme, spike, panicle, or corymb.

3. (Zoöl.) (a) The shaft of a feather. The rhachis of the after-shaft, or plumule, is called the hyporhachis. (b) The central cord in the stem of a crinoid. (c) The median part of the radula of a mollusk. (d) A central cord of the ovary of nematodes.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

10 March 2025

FABLED

(adjective) celebrated in fable or legend; “the fabled Paul Bunyan and his blue ox”; “legendary exploits of Jesse James”


coffee icon

Coffee Trivia

In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.

coffee icon