RAPHE
Ra"phe (ra"fe), n. Etym: [NL., fr. Gr.
1. (Anat.)
Defn: A line, ridge, furrow, or band of fibers, especially in the median line; as, the raphe of the tongue.
2. (Bot.)
Defn: Same as Rhaph.
RAPHIDES
Raph"i*des, n. pl. Etym: [F. raphide.] (Bot.)
Defn: See Rhaphides.
RAPID Rap"id, a. Etym: [L. rapidus, fr. rapere to seize and carry off, to snatch or hurry away; perhaps akin to Gr. rapide. Cf. Harpy, Ravish.]
1. Very swift or quick; moving with celerity; fast; as, a rapid stream; a rapid flight; a rapid motion. Ascend my chariot; guide the rapid wheels. Milton.
2. Advancing with haste or speed; speedy in progression; in quick sequence; as, rapid growth; rapid improvement; rapid recurrence; rapid succession.