v.
Pronunciation: im- ' po ̇ i-z ə n
Function: transitive verb
Etymology: Middle English empoysonen, from Anglo-French empoisener, from en- + poison poison
Date: 14th century
1 archaic : POISON
2 : EMBITTER <a look of empoison ed acceptance ― Saul Bellow>
– em · poi · son · ment \ -m ə nt \ noun