Some verbs (often called transitive verbs) need an object to complete their meaning. Some verbs (often called intransitive verbs) do not take an object. Some verbs need both a direct object and an indirect object. Some verbs can take a wh-clause or a that-clause as an object. …
A part of a sentence; a noun, pronoun, or group of words that receives or is affected by the action of a verb. (See direct object, indirect object, and objective case.)
1. used as a noun You can refer to anything that has a fixed shape and that is not alive as an object. I looked at the shabby, black object he was carrying. The statue was an object of great beauty. A person's object is their aim or purpose.
An object (OB-ject) is something that is a visible entity, something that can be perceived by the senses. If you are unsure whether something is an object, test it by seeing whether it can cast a shadow; if it can, it's an object, if it can't, it's not.
There are 14 meanings listed in OED's entry for the noun object, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.
ob•ject ( ob′ jikt, -jekt; əb jekt′), n. anything that is visible or tangible and is relatively stable in form. a thing, person, or matter to which thought or action is directed: an object of medical investigation. purpose: Profit is the object of business.