Source : Webster's Revised Unabridged Dictionary (1913)

Rim \Rim\, v. t. [imp. & p. p. {Rimmed}; p. pr. & vb. n.
   {Rimming}.]
   To furnish with a rim; to border.

Source : WordNet®

rim
     v 1: run around the rim of; "Sugar rimmed the dessert plate"
     2: furnish with a rim; "rim a hat"
     3: roll around the rim of; "the ball rimmed the basket"
     [also: {rimming}, {rimmed}]

rim
     n 1: the shape of a raised edge of a more or less circular object
     2: (basketball) the hoop from which the net is suspended; "the
        ball hit the rim and bounced off"
     3: the outer part of a wheel to which the tire is attached
     4: a projection used for strength or for attaching to another
        object [syn: {flange}]
     5: the top edge of a vessel [syn: {brim}, {lip}]
     [also: {rimming}, {rimmed}]

rimming
     See {rim}