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Lexical words are those that have independent meaning (such as a Noun (N), verb (V), adjective (A), adverb (Adv), or preposition (P)). The definition which reports the meaning of a word or a phrase as it is actually used by people is called a lexical definition. Meanings of words given in a dictionary are lexical definitions.
Lexical semantics also explores whether the meaning of a lexical unit is established by looking at its neighbourhood in the semantic network, [7] (words it occurs with in natural sentences), or whether the meaning is already locally contained in the lexical unit. In English, WordNet is an example of a semantic network.
Lexical aspect, a characteristic of the meaning of verbs; Lexical form, the canonical form of a word, under which it appears in dictionaries; Lexical definition or dictionary definition, the meaning of a term in common usage; Lexical semantics, a subfield of linguistic semantics that studies how and what the words of a language denote
Lexical meaning is not limited to a single form of a word, but rather what the word denotes as a base word. For example, the verb to walk can become walks , walked , and walking – each word has a different grammatical meaning, but the same lexical meaning ("to move one's feet at a regular pace").
A definition states the meaning of a word using other words. This is sometimes challenging. Common dictionaries contain lexical descriptive definitions, but there are various types of definition – all with different purposes and focuses. A definition is a statement of the meaning of a term (a word, phrase, or other set of symbols).
In linguistics, a word sense is one of the meanings of a word. For example, a dictionary may have over 50 different senses of the word "play", each of these having a different meaning based on the context of the word's usage in a sentence, as follows: We went to see the play Romeo and Juliet at the theater.
Lexical tokenization is conversion of a text into (semantically or syntactically) meaningful lexical tokens belonging to categories defined by a "lexer" program. In case of a natural language, those categories include nouns, verbs, adjectives, punctuations etc.
Perhaps the most interesting example, though, is the idiomatic "perfect stranger". Such a word combination could not be predicted on its own, as it does not mean "a stranger who is perfect" as we should expect. Its unusually high frequency shows that the two words collocate strongly and as an expression are highly idiomatic.