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Webster 1913 Edition

Helical

Hel′i-cal

,

Adj.

[From

.]

Of or pertaining to, or in the form of, a helix; spiral;

as, a

helical

staircase; a

helical

spring.

–

Hel′i-cal-ly

,

adv.

Webster 1828 Edition

Helical

HEL'ICAL

,

Adj.

[Gr. a scroll, or spiral body.]

Spiral; winding; moving round.