I. her¹ S1 W1 /ə, hə; strong hɜː $ ər, hər strong hɜːr/ determiner [possessive form of ‘she’]

1. belonging to or connected with a woman, girl, or female animal that has already been mentioned:
She looked at her watch.
Her room was pleasant and airy.
She makes her own clothes.

2. old-fashioned connected with a country, ship, car etc that has already been mentioned:
Her top speed is about 110 miles an hour.

[TahlilGaran] Dictionary of Contemporary English ▲

II. her² S1 W1 pronoun [object form of ‘she’]
[Language: Old English; Origin: hiere]

1. used to refer to a woman, girl, or female animal that has already been mentioned or is already known about:
Jane? I don’t really know her.
Margaret wants me to go with her.
Give her the keys.
I think it was her, but I’m not sure.

2. old-fashioned used to refer to a country, ship, car etc that has already been mentioned:
God bless this ship and all who sail in her.

[TahlilGaran] Dictionary of Contemporary English ▲

her
̈ɪhə:
See: give it the gun or give her the gun

[TahlilGaran] English Idioms Dictionary ▲