oliveira

In a sentence

• A oliveira no quintal dá muitas azeitonas.

  The olive tree in the yard produces many olives.

  In this sentence, 'oliveira' refers to an olive tree, a plant that produces olives. The usage here is as a noun indicating the species of tree.

• O sobrenome da professora é Oliveira.

  The teacher's last name is Oliveira.

  Here, 'Oliveira' is used as a proper noun, functioning as a surname in Portuguese. It illustrates how names can derive from common nouns, in this case, indicating possible ancestral connections to olive cultivation or regions associated with olive trees.

• A região mediterrânea é conhecida por suas oliveiras.

  The Mediterranean region is known for its olive trees.

  In this example, 'oliveiras' is the plural form of 'oliveira', indicating multiple olive trees and emphasizing the agricultural or geographical aspect.