Effect of spaceflight on the human body. Humans venturing into the environment of space can have negative effects on the body. Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton (spaceflight osteopenia).
Meaning of Willow. English name. In English, the name Willow means-from the willow tree.The name Willow originated as an English name. The name Willow is most often used as a girl name or female name.English Name Meaning-from the willow tree.he name Willow is most often used as a girl name or female name. English Name Meaning-from the willow tree.
Princeton's WordNet(4.00 / 1 vote)Rate this definition: 1  willow, willow tree(noun) any of numerous deciduous trees and shrubs of the genus Salix. 2  willow(noun) a textile machine having a system of revolving spikes for opening and cleaning raw textile fibers.