What is the meaning of Whom?

What person or people; which person or people.

1. As the object of a verb.

   As the object of a verb.

   As the object of a preposition.

   Used to refer to a previously mentioned person or people.

   The person(s) whom; whomever.

   Also used with names of collective nouns that are groups of people, especially singularly-named musical groups or sports teams.

   gourd

   (to) who, whom (accusative or dative)

   (to) who, whom (accusative or dative)

   (to) whoever, whomever (accusative or dative)

   that (accusative, inanimate)

   (to) anyone, someone (usually accusative or dative)

   Source: wiktionary.org