Meaning of POISON in English

POISON

I. ˈpȯi-z ə n noun

Etymology: Middle English, from Anglo-French poisun drink, potion, poison, from Latin potion-, potio drink — more at potion

Date: 13th century

1.

a. : a substance that through its chemical action usually kills, injures, or impairs an organism

b.

(1) : something destructive or harmful

(2) : an object of aversion or abhorrence

2. : a substance that inhibits the activity of another substance or the course of a reaction or process

a catalyst poison

II. transitive verb

( poi·soned ; poi·son·ing ˈpȯiz-niŋ, ˈpȯi-z ə n-iŋ)

Date: 14th century

1.

a. : to injure or kill with poison

b. : to treat, taint, or impregnate with or as if with poison

2. : to exert a baneful influence on : corrupt

poison ed their minds

3. : to inhibit the activity, course, or occurrence of

on the night when he poison ed my rest — Charles Dickens

• poi·son·er ˈpȯiz-nər, ˈpȯi-z ə n-ər noun

III. adjective

Date: circa 1520

1. : poisonous , venomous

a poison plant

a poison tongue

2. : impregnated with poison : poisoned

a poison arrow

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.