a noun, adjective or verb that is made up of two or more words. Examples of compounds include face cream, facelift and face-saving.

two or more words which function as one word (e.g. fireplace, video-tape, door handle). Most common in English and closely related languages are noun-noun compounds functioning as nouns. Because such compounds have the external behaviour and distribution of a lexical item, they are often taken to be morphological structures.

a word containing a stem that is

a word form made up of other constituent words

a word or word group that consists of two or more parts that work together as a unit to express a specific concept

a word or words which consist of other words joined or used together to make a lexical item with its own meaning, e.g. a trade deficit (a noun compound), mass-produced goods (an adjectival compound)

Used of a verb-form which consists of more than one word, eg the Spanish and English Perfect (has seen/ha visto).

A type of verb tense which is made up of more than one word, and is formed using one or more auxiliary verbs eg. had been; would have gone; could do

In linguistics, a compound is a lexeme (a word) that consists of more than one other lexeme.