All 4 Uses

opium
in
The Death of Ivan Ilych
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He was given opium and hypodermic injections of morphine, but this did not relieve him.†
Chpt 7 *

opium = a powerful narcotic
Take some opium.†
Chpt 9
The doctor went into the drawing room and told Praskovya Fedorovna that the case was very serious and that the only resource left was opium to allay her husband's sufferings, which must be terrible.†
Chpt 11
He was given a large dose of opium and became unconscious, but at noon his sufferings began again.†
Chpt 11

Definitions:

(1) (opium)
a powerful drug made from a type of poppy; relieves pain and aids sleep, but highly addictive and dangerous when abused recreationally
(2) (meaning too rare to warrant focus)