- Of the nature of a parable; expressed by a parable or
figure; allegorical; as, parabolical instruction. - Having the form or nature of a parabola; pertaining
to, or resembling, a parabola; as, a parabolic curve. - Generated by the revolution of a parabola, or by a
line that moves on a parabola as a directing curve; as, a parabolic
conoid.