Ab*er"rant (#), a. [L. aberrans, -rantis, p.pr. of aberrare.]
See Aberr.]
1.
Wandering; straying from the right way.
2. Biol.
Deviating from the ordinary or natural type; exceptional; abnormal.
The more aberrant any form is, the greater must have been the number of connecting forms which, on my theory, have been exterminated.
Darwin.
© Webster 1913.