cypress

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

• noun Any of various evergreen trees or shrubs of the genus Cupressus, native to Eurasia and North America and having opposite, scalelike leaves and globose woody cones.
• noun Any of several similar or related coniferous trees, such as the bald cypress.
• noun The wood of any of these trees.
• noun Cypress branches used as a symbol of mourning.

from The Century Dictionary.

• noun In botany: The popular name of coniferous trees of the genus Cupressus.
• noun A name given to other coniferous trees nearly allied to the true cypresses.
• noun One of various plants so named from a fancied resemblance to the true cypress, as the standing cypress, Gilia coronopifolia, a tall, slender, polemoniaceous herb, with divided leaves and scarlet flowers, and the Belvedere, broom-, or summer cypress, a tall chenopodiaceous plant, Kochia scoparia, sometimes cultivated.
• noun An emblem of mourning for the dead, cypress-branches having been anciently used at funerals.
• Belonging to or made of cypress.
• noun The English galingale, Cyperus longus: called sweet cypress from its aromatic roots. Also cypress-root.
• noun A thin transparent black or white stuff; a kind of crape.
• Made of or resembling cypress.

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

• noun (Bot) A coniferous tree of the genus Cupressus. The species are mostly evergreen, and have wood remarkable for its durability.
• noun (Bot.) a climbing plant with red or white flowers (Ipotœa Quamoclit, formerly Quamoclit vulgaris).

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

• noun An evergreen coniferous tree with flattened shoots bearing small scale-like leaves, whose dark foliage is sometimes associated with mourning, in family Cupressaceae, especially the genera Cupressus and Chamaecyparis

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

• noun wood of any of various cypress trees especially of the genus Cupressus
• noun any of numerous evergreen conifers of the genus Cupressus of north temperate regions having dark scalelike leaves and rounded cones