Upward-flowing plant vessels

• Plant tissue
• Tree tissue
• Plant equivalent of blood vessels
• The woody part of plants the supporting and water-conducting tissue, consisting primarily of tracheids and vessels
• Botanical nutrient conductor
• Axes rotten elm having woody tissue

Wikipedia Word definitions in Wikipedia
Xylem is one of the two types of transport tissue in vascular plants , phloem being the other. The basic function of xylem is to transport water from roots to shoot and leaves, but it also transports some nutrients . The word xylem is derived from the Greek ...

WordNet Word definitions in WordNet
n. the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Xylem \Xy"lem\, n. [Gr. xy`lon wood.] (Bot.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phlo["e]m.