noun. A tool for making dots; specifically, a small instrument, made in various forms, used in graining for imitating the eyes of bird's-eye maple.

noun. In naval use, an apparatus used to train gun-pointers to aim accurately at a target.

"As more and more of us approach dotter age, the need for elder-care becomes that much more pressing."

Potter  Trotter  blotter  cotter  hotter