[1] : The Collaborative International Dictionary of English v.0.48

poundal \pound"al\, n. from 5th pound. physics  mech.
   a unit of force based upon the pound, foot, and second, being
   the force which, acting on a pound avoirdupois for one
   second, causes it to acquire by the of that time a velocity
   of one foot per second. it is about equal to the weight of
   half an ounce, and is 13,825 dynes.
   1913 webster
see also:
pound 

[2] : WordNet (r) 2.0

poundal
     n : a unit of force equal to the force that imparts an
         acceleration of 1 foot/sec/sec to a mass of 1 pound;
         equal to 0.1382 newtons syn: pdl
see also:
pdl 

Poundal >> P Words
Poundal, definition of term: Poundal
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