Declension n. : The act or the state of declining; declination; descent; slope.

Declension n. : A falling off towards a worse state; a downward tendency; deterioration; decay; as, the declension of virtue, of science, of a state, etc.

Declension n. : Act of courteously refusing; act of declining; a declinature; refusal; as, the declension of a nomination.

Declension n. : Inflection of nouns, adjectives, etc., according to the grammatical cases.

Declension n. : The form of the inflection of a word declined by cases; as, the first or the second declension of nouns, adjectives, etc.

Declension n. : Rehearsing a word as declined.

Example:


Taxonomy
declension, English, pronouns, Lexicon of Linguistics, chair, Latin, decline, languages, free encyclopedia, possessive, possessor, hominem, vocative, tree, ground, classes, Sanskrit, English adjectives.

Defination from the web:
declension is the occurrence of inflection in nouns, pronouns and adjectives, indicating such features as number (typically ... Further information: Old English declension and Old English pronouns ...