Definition
A lexical relation with a tree structure is a pattern of association that is characterized by a set of lexical units which both have an inclusion relationship with and are dominated by one lexical unit. These sets may form a taxonomy or a meronymy.
Examples
(English)
Generic-specific
- animal
- horse
- appaloosa
- arabian
- Tennessee walker
- dog
- cow
- horse
Whole-part
- arm
- elbow
- forearm
- wrist