frontier

USAGE NOTE
This word is often used in the plural in the sense shown in 3).
frontier(
fruhn
-
tir
)
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
noun
a. la frontera
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
I will not go with you on your trip across the frontier, because I don't have a valid passport.No te voy a acompañar en el viaje tras la frontera, porque no tengo un pasaporte válido.
2. (historical)
Regionalism used in the United States
(United States)
a. la frontera del oeste
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
My great-great-grandparents traveled to the frontier in a covered wagon in 1880.Mis tatarabuelos viajaron a la frontera del oeste en un carromato en 1880.
3.
A phrase used as a figure of speech or a word that is symbolic in meaning; metaphorical (e.g., carrot, bean).
(figurative)
(knowledge limit)
a. la frontera
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(F)
Laurie became an astronaut so she could have a career at the frontiers of human knowledge.Laurie se hizo astronauta para tener una carrera en las fronteras del conocimiento humano.
b. el límite
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Dave is doing research on the frontiers of physics.Dave está haciendo investigaciones sobre los límites de la física.
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