Self-adjusting \Self`-ad*just"ing\, a. (Mach.)
Capable of assuming a desired position or condition with
relation to other parts, under varying circumstances, without
requiring to be adjusted by hand; -- said of a piece in
machinery.
[1913 Webster]
{Self-adjusting bearing} (Shafting), a bearing which is
supported in such a manner that it may tip to accomodate
flexure or displacement of the shaft.
[1913 Webster]