Emily Dickinson Lexicon

PITCH, n.² [from the root of pike, peak, W. pig. See the Verb.]

1. Literally, a point; hence, any point or degree of elevation; as, a high pitch; lowest pitch. How high a pitch his resolution soars. – Shak. Alcibiades was one of the best orators of his age, notwithstanding he lived when learning was at its highest pitch. – Addison.
2. Highest rise. – Shak.
3. Size; stature. So like in person, garb and pitch. – Hudibras.
4. Degree; rate. No pitch of glory from the grave is free. – Waller.
5. The point where a declivity begins, or the declivity itself; descent; slope; as, the pitch of a hill.
6. The degree of descent or declivity.
7. A descent; a fall; a thrusting down.
8. Degree of elevation of the key-note of a tune, or of any note.