from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Botany Facing outward; turned away from the axis: extrorse anthers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Said of anthers dehiscing outwards from the center of the flower.
from the GNU version of the Collaborative International Dictionary of English
- adj. Facing outwards, or away from the axis of growth; -- said esp. of anthers occupying the outer side of the filament.
from The Century Dictionary and Cyclopedia
- In botany, turned outward: applied to an anther which is turned away from the axis of the flower and faces the perianth.
- In zoology, turned out or away from the body: correlated with antrorse, introrse, and retrorse.
Late Latin extrōrsus, turned outward (modeled on Latin intrōrsum, turned inward) : Latin extrā, outside; see extra- + Latin versus, past participle of vertere, to turn; see wer-2 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)