1. In grammar, the noun or pronoun that receives the action of a transitive verb in a sentence
In the sentence 'She ate an apple,' 'apple' is the direct object.
Na frase 'Ela comeu uma maçã', 'maçã' é o objeto direto.
2. The person or thing that is directly affected by the action expressed by the verb
In 'I saw him yesterday,' 'him' is the direct object.
Em 'Eu o vi ontem', 'o' é o objeto direto.