1. change in pitch: a change in the pitch or tone of the voice
2. grammar word change: a change in the form of a word, often an addition at the end of it, that indicates a particular grammatical function, e.g. the "s" added to most English nouns when they are plural
3. grammar altered form of word: an altered form of a word, e.g. one showing a change in tense, mood, gender, or number, or the part of the word that changes in this way
4. bending: a turning from a straight line or course, or a more general change in direction
