alder(redirected from alder trees)
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1. Any of various deciduous shrubs or trees of the genus Alnus, native chiefly to northern temperate regions and having alternate simple toothed leaves and woody, conelike catkins.
2. The wood of these plants, used in carvings and for making furniture and cabinets.
[Middle English, from Old English alor.]
1. (Plants) any N temperate betulaceous shrub or tree of the genus Alnus, having toothed leaves and conelike fruits. The bark is used in dyeing and tanning and the wood for bridges, etc because it resists underwater rot
2. (Plants) any of several similar trees or shrubs
[Old English alor; related to Old High German elira, Latin alnus]
any shrub or tree belonging to the genus Alnus, of the birch family, growing in moist places in N temperate or colder regions and having toothed, simple leaves and flowers in catkins.
[before 900; Middle English alder, aller, Old English alor, al(e)r, c. Middle Low German al(l)er Latin alnus]
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|Noun||1.||alder - wood of any of various alder trees; resistant to underwater rot; used for bridges etc|
alder tree, alder - north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant
wood - the hard fibrous lignified substance under the bark of trees
|2.||alder - north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant|
alder - wood of any of various alder trees; resistant to underwater rot; used for bridges etc
Alnus glutinosa, Alnus vulgaris, common alder, European black alder - medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath
Alnus maritima, seaside alder - shrub or small tree of southeastern United States having soft light brown wood
Alnus rubra, Oregon alder, red alder - large tree of Pacific coast of North America having hard red wood much used for furniture
Alnus rugosa, speckled alder - common shrub of Canada and northeastern United States having shoots scattered with rust-colored down
Alnus serrulata, hazel alder, smooth alder - common shrub of the eastern United States with smooth bark
Alnus crispa, Alnus veridis crispa, green alder - North American shrub with light green leaves and winged nuts
tree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms