POUNDAL
poundal, pdl
(noun) 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
Source: WordNet® 3.1
Etymology
Noun
poundal (plural poundals)
(dated, physics) A unit equal to the force needed to accelerate a mass of one pound at a rate of one foot per second per second.
Source: Wiktionary
Pound"al, n. Etym: [From 5th Pound.] (Physics & Mech.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition