— alterer , n.
/awl"teuhr/ , v.t.
1. to make different in some particular, as size, style, course, or the like; modify: to alter a coat; to alter a will; to alter course.
2. to castrate or spay.
v.i.
3. to change; become different or modified.
[ 1350-1400; ME alterer alterare to change, worsen, deriv. of L alter other ]
Syn. 1. See adjust, change .