An inverted U shape.
An architectural element having the shape of an arch
Any place covered by an arch; an archway.
Curved part of the bottom of a foot.
A natural arch-shaped opening in a rock mass.
An arch-shaped arrangement of trapezoidal stones, designed to redistribute downward force outward.
To form into an arch shape.
To cover with an arch or arches.
principal; primary
knowing, clever, mischievous
A plane parallel to the surface of a tooth.
A flight feather that appears between the primaries and secondaries on some birds.
Belonging to the axis of the body, or to the axis of any appendage or organ
Relating to, resembling, or situated on an axis
In the same direction as the axis, parallel to the axis.
oriented close to the axis running through the centre of a cyclohexane ring, as opposed to equatorial. See w:Axial bond.