Any word which may be modified by an adjunct.
A word used as the title of a section, particularly in a dictionary, encyclopedia, or thesaurus.
A variation on something.
A spoof.
A clever or witty remark.
Listen to one of the greatest guitar riffs of all time!
A repeated instrumental melody line in a song.
To improvise in the performance or practice of an art, especially by expanding on or making novel use of traditional themes.
To riffle.