n .
a narrow splits, crack, or fissure 좁은 틈, 갈라진 금, 찢어진 틈

• The million-dollar bill I had found on the sidewalk fell into a _____ between the two buildings, and I never saw it again.
• A very large _____ in a glacier on the earth's surface is usually called a crevasse. The tiny crack in a rock face from which a mountain climber hangs by his fingernails is a _____ ; the deep crack in a glacier into which a mountain climber falls, never to be seen again, is a crevasse.