The Collaborative International Dictionary of English v.0.48:
Oblique \Ob*lique"\, v. i. [imp. & p. p. Obliqued; p. pr. &
vb. n. Obliquing.]
1. To deviate from a perpendicular line; to move in an
Projecting his person towards it in a line which
obliqued from the bottom of his spine. --Sir. W.
2. (Mil.) To march in a direction oblique to the line of the
column or platoon; -- formerly accomplished by oblique
steps, now by direct steps, the men half-facing either to
the right or left.