from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The successful establishment of a plant or animal species in a habitat.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The process of successful establishment of a plant or animal species in a habitat that was barren previously/ or was left barren due to some catastrophe.
from The Century Dictionary and Cyclopedia
- n. The fixation of a migrating plant in a new habitat.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (ecology) the process by which a plant or animal becomes established in a new habitat
From Greek oikēsis, inhabitation, from oikein, to dwell, from oikos, house; see weik-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek οἴκισις (oikisis, "colonization") (Wiktionary)