vertical
ver.ti.cal \'v*rt-i-k*l\ \-k(*-)le-\ \-k*l-n*s\ aj [MF or LL; MF, fr. LL
verticalis, fr. L vertic-, vertex] 1a: situated at the highest point :
directly overhead or in the zenith 1b: being an aerial photograph taken
with the camera pointing straight dow n or nearly so 2a: perpendicular to
the plane of the horizon or to a primary axis : UPRIGHT 2b1: located at
right angles to the plane of a supporting surface 2b2: lying in the
direction of an axis : LENGTHWISE 3: composed of economic units on
different levels of production or distrib ution {a ~ business
organization}ht angle with the plane of the horizon. VERTICAL suggests a
line or direction rising upward toward or approximately toward a zenith;
PERPENDICULAR may suggest a stiff straightness; it is more likely than
VERTICAL to suggest a straight downward drop; PLUMB stresses an exact
verticality as determined by the force of gravity - vertical n SYN syn
VERTICAL, PERPENDICULAR, PLUMB mean being at a rig