Extrorse \Ex*trorse"\, a. [As if from an assumed L. extrorsus,
for extroversus; extra on the outside + vertere, versum, to
turn: cf. F. extrorse.] (Bot.)
Facing outwards, or away from the axis of growth; -- said
esp. of anthers occupying the outer side of the filament.
[1913 Webster]