Declension

1. n. Rehearsing a word as declined.
2. n. The act or the state of declining; declination; descent; slope.
3. n. A falling off towards a worse state; a downward tendency; deterioration; decay; as, the declension of virtue, of science, of a state, etc.
4. n. Act of courteously refusing; act of declining; a declinature; refusal; as, the declension of a nomination.
5. n. Inflection of nouns, adjectives, etc., according to the grammatical cases.
6. n. The form of the inflection of a word declined by cases; as, the first or the second declension of nouns, adjectives, etc.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.