Pitch \Pitch\, v. t. [imp. & p. p. Pitched; p. pr. & vb. n. Pitching.]

[See Pitch, n.]

1. To cover over or smear with pitch. --Gen. vi. 14.

2. Fig.: To darken; to blacken; to obscure.

The welkin pitched with sullen could. --Addison.

Source: Webster's Revised Unabridged Dictionary (1913)