estop verb trans. [ɪ'stɒp] Infl. 
-pp-. 
LME.[Anglo-Norman, Old French estop(p)er, estouper (mod. étouper) stop up, impede (medieval Latin estoppare) from late Latin deriv. of Latin stuppa oakum.]1.  Stop (as) with a dam, plug, etc. 
arch. LME.2.  Law. Bar or preclude by estoppel. (Foll. by 
from, to do.) 
M16.■ H. Hallam The lord who had granted the charter of franchise was estopped from claiming him again. ■   estoppage noun stoppage; 
Law the condition of being estopped: 
E18.  [TahlilGaran] English Dictionary ▲