constrictor

"The constriction in the hallway prevented the students from moving freely. "

"The teacher warned the students about the upcoming test. "

"After the soccer game, the player needed a bandage for his scraped knee. "

"The zookeeper fed the giraffes their lunch of fresh leaves. "

"From Moscow, the distance is relatively short to Saint Petersburg, relatively long to Novosibirsk, but even greater to Vladivostok."

"Please tighten that screw a quarter-turn."

"By now, you must surely know which is which."

"The tight collar constricts my neck, making it hard to breathe. "

"The teacher praised the students' similar answers on the math quiz. "

"Is Clare around today?"

"Railway crossings without gates are highly dangerous."

"The zookeeper carefully fed a rabbit to the python. "