“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States
helicoidal (comparative more helicoidal, superlative most helicoidal)
helicoid
Source: Wiktionary
Hel`i*coid"al, a.
Definition: Same as Helicoid.
– Hel`i*coid"al*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States