Definify.com

Webster 1913 Edition

Sinical

Sin′i-cal

,

Adj.

[From

.]

(Trig.)

Of or pertaining to a sine; employing, or founded upon, sines;

as, a

sinical

quadrant

.

Webster 1828 Edition

Sinical

SIN'ICAL

,

Adj.

[from sine.] Pertaining to a sine.