The Collaborative International Dictionary of English v.0.48:

Ivy \I"vy\, n.; pl. Ivies. [AS. [imac]fig; akin to OHG. ebawi,
   ebah, G. epheu.] (Bot.)
   A plant of the genus Hedera (Hedera helix), common in
   Europe. Its leaves are evergreen, dark, smooth, shining, and
   mostly five-pointed; the flowers yellowish and small; the
   berries black or yellow. The stem clings to walls and trees
   by rootlike fibers.
   [1913 Webster]

         Direct
         The clasping ivy where to climb.         --Milton.
   [1913 Webster]

         Ye myrtles brown, with ivy never sere.   --Milton.
   [1913 Webster]

   American ivy. (Bot.) See Virginia creeper.

   English ivy (Bot.), a popular name in America for the ivy
      proper (Hedera helix).

   German ivy (Bot.), a creeping plant, with smooth, succulent
      stems, and fleshy, light-green leaves; a species of
      Senecio (Senecio scandens).

   Ground ivy. (Bot.) Gill (Nepeta Glechoma).

   Ivy bush. (Bot.) See Mountain laurel, under Mountain.


   Ivy owl (Zool.), the barn owl.

   Ivy tod (Bot.), the ivy plant. --Tennyson.

   Japanese ivy (Bot.), a climbing plant (Ampelopsis
      tricuspidata), closely related to the Virginia creeper.


   Poison ivy (Bot.), an American woody creeper (Rhus
      Toxicodendron), with trifoliate leaves, and
      greenish-white berries. It is exceedingly poisonous to the
      touch for most persons.

   To pipe in an ivy leaf, to console one's self as best one
      can. [Obs.] --Chaucer.

   West Indian ivy, a climbing plant of the genus
      Marcgravia.
      [1913 Webster]

WordNet (r) 3.0 (2006):

ivy
    n 1: Old World vine with lobed evergreen leaves and black
         berrylike fruits [syn: ivy, common ivy, English ivy,
         Hedera helix]

Moby Thesaurus II by Grady Ward, 1.0:

97 Moby Thesaurus words for "ivy":
   aestival, algae, autophyte, bean, beryl-green, berylline,
   blue-green, bluish-green, bracken, brown algae, chartreuse,
   chloranemic, chlorine, chlorotic, citrine, citrinous, climber,
   conferva, confervoid, creeper, diatom, emerald, fern, foliaged,
   fruits and vegetables, fucus, fungus, glaucescent, glaucous,
   glaucous-green, grapevine, grassy, green, green algae,
   green as grass, green-blue, greenish, greenish-blue,
   greenish-yellow, greensick, gulfweed, herb, heterophyte, holly,
   ivy-green, kelp, leafy, leaved, legume, lentil, liana, lichen,
   liverwort, mold, moss, mushroom, olivaceous, olive, olive-green,
   parasite, parasitic plant, pea, perthophyte, phytoplankton,
   planktonic algae, plant families, porraceous, puffball, pulse,
   red algae, rockweed, rust, saprophyte, sargasso, sargassum,
   sea lentil, sea moss, sea wrack, seaweed, smaragdine, smut,
   springlike, succulent, summerlike, summery, toadstool, verdant,
   verdurous, vernal, vernant, vert, vetch, vine, virescent, wort,
   wrack, yellowish-green



The Free On-line Dictionary of Computing (30 December 2018):

IVY

   A language with a more pleasant syntax than Perl, tcl or
   Lisp.  It has nice features like low punctuation count,
   blocks indicated by indentation, and similarity to normal
   procedural languages.  This language started out as an idea
   for an extension language for the editor JOE.

   An experimental interpreter by Joseph H Allen
    was posted to alt.sources on 28 Sep
   1993.