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Formed by strata dipping toward a common line or plane; as, a synclinal trough or valley; a synclinal fold; -- opposed to anticlinal.

the downward bend or subsidence of the earth's crust, which allows of the gradual accumulation of sediment, and hence forms the first step in the making of a mountain range; -- opposed to geanticlinal.

Inclining or dipping in opposite directions. See Synclinal. Anticlinal line, Anticlinal axis (Geol.), a line from which strata dip in opposite directions, as from the ridge of a roof. -- Anticlinal vertebra (Anat.), one of the dorsal vertebræ, which in many animals has an upright spine toward which the spines of the n…

ol.), a line or ridge from which the strata slope downward on the two opposite sides. -- Synclinal axis, a line from which the strata slope upward in opposite directions, so as to form a valley. -- Axis cylinder (Anat.), the neuraxis or essential, central substance of a nerve fiber; -- called also axis band, axial fi…

in the formation of a class of mountain elevations called anticlinoria; -- opposed to geosynclinal.

A synclinal fold.

Synclinal. [R.]

A mountain range owing its origin to the progress of a geosynclinal, and ending in a catastrophe of displacement and upturning. Dana.