poison
1. poi.son \'po.iz-*n\ n [ME, fr. OF, drink, poisonous drink, poison, fr. L
potion-, potio d]rink - more at POTION 1a: a substance that through its
chemical action usu. kills, injures, or im pairs an organism 1b1: something
destructive or harmful 1b2: an object of aversion or abhorrence 2: a
substance that inhibits the activity of another substance or the cours e of
a reaction or process {a catalyst ~}
2. poison \'po.iz-nin, -*n-in\ vb or poi.son.ing 1a: to injure or kill with
poison 1b: to treat, taint, or impregnate with poison 2: to exert a
baneful influence on : CORRUPT 3: to inhibit the activity, course, or
occurrence of : to put poison into or on something
3. poison aj 1: POISONOUS {a ~ plant} : VENOMOUS {a ~ t ongue} 2: POISONED
{a ~ arrow}