stronghold

"Condoms are designed to protect against sexually-transmitted diseases."

"His survival in the open ocean was a miracle; he had fully expected to die."

"During the war, the city became a fortress against enemy attacks. "

"The old castle on the hill was a popular spot for school field trips. "

"The strong bridge cables were designed to withstand the force of a major earthquake. "

"The old schoolhouse has a decorative cornish that helps protect its brick walls from the rain. "

"Deaf and mute people communicate using languages like ASL."

"The teacher pointed out a particular detail in the math problem that several students missed. "

"The invaders crossed the border and began to occupy the land. "

"The domination prevented the soup from spilling on the hot stove. "

"The bully's attack on the smaller child left him with a bruised arm. "

"The waiter served us our dinner quickly and politely. "