The Collaborative International Dictionary of English v.0.48:

Keeler \Keel"er\, n. [See 3d Keel.]
   1. One employed in managing a Newcastle keel; -- called also
      keelman.
      [1913 Webster]

   2. A small or shallow tub; esp., one used for holding
      materials for calking ships, or one used for washing
      dishes, etc.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Keelman \Keel"man\, n.; pl. -men.
   See Keeler, 1.
   [1913 Webster]