Definify.com
Webster 1913 Edition
Pedal
1.
Of or pertaining to the foot, or to feet, literally or figuratively; specifically
(Zool.)
, pertaining to the foot of a mollusk; as, the
. pedal
ganglion2.
(pĕd′al)
Of or pertaining to a pedal; having pedals.
Pedal curve
or
Pedal surface
(Geom.)
, the curve or surface which is the locus of the feet of perpendiculars let fall from a fixed point upon the straight lines tangent to a given curve, or upon the planes tangent to a given surface.
– Pedal note
(Mus.)
, the note which is held or sustained through an organ point. See
– Organ point
, under Organ
. Pedal organ
(Mus.)
, an organ which has pedals or a range of keys moved by the feet; that portion of a full organ which is played with the feet.
1.
(Mech.)
A lever or key acted on by the foot, as in the pianoforte to raise the dampers, or in the organ to open and close certain pipes; a treadle, as in a lathe or a bicycle.
2.
(Geom.)
A pedal curve or surface.
Webster 1828 Edition
Pedal
PE'DAL
,Adj.
Pertaining to a foot.