Deviation of a compass needle from true north in a north-east direction.

variation of the compass, (†lodestone,) or needle, the deviation or divergence of the magnetic needle from the true north and south line; the amount…

= north-westing, n.

Deviation of a compass needle from true north in a north-west direction.

elliptical in the same sense.

Of the magnetic needle: †(a) (formerly) the dip, n.3 or deviation from the horizontal (obsolete); (b) the deviation from the true north and south…

Nautical and Surveying. = variation, n. 5a.

variation of the variation (see last quot.).

= declination, n. 8(b), variation, n. 5a; (formerly also) †= declination, n. 8(a) (obsolete).