geranium

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various plants of the genus Pelargonium, native chiefly to southern Africa and widely cultivated for their rounded, often variegated leaves and showy clusters of red, pink, or white irregular flowers. An essential oil is obtained from the leaves of some species.
• noun Any of various plants of the genus Geranium, having palmately divided leaves and pink or purplish regular flowers.
• noun A strong to vivid red.

from The Century Dictionary.

• noun An impure magenta which contains phosphene.
• noun A plant of the genus Geranium.
• noun [capitalized] A genus of herbaceous plants (rarely undershrubs), the type of the order Geraniaceæ, distinguished by opposite lobed leaves, regular flowers, and five one-seeded carpels which separate elastically from the axis at maturity, the styles forming long tails which become revolute or spirally twisted.
• noun A plant of the genus Pelargonium, of South Africa, of which many varieties are common in house-culture and gardens under the names of scarlet geranium, rose geranium, etc.
• noun One of ⋅everal plants of other genera.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) A genus of plants having a beaklike torus or receptacle, around which the seed capsules are arranged, and membranous projections, or stipules, at the joints. Most of the species have showy flowers and a pungent odor. Called sometimes crane's-bill.
• noun (Floriculture) A cultivated pelargonium.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any flowering plant of the genus Geranium, the cranesbills, of family Geraniaceae.
• noun The common name for flowering plants of the genus Pelargonium.
• noun A bright red color tinted with orange, like that of a scarlet geranium.
• adjective Of a bright red color tinted with orange, like that of a scarlet geranium.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of numerous plants of the family Geraniaceae