sentinel

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"When you only have a handful of species that can persist in environments like that, and they're really sensitive to change, those serve as really good sentinel taxa," Adams said.

From Science Daily

I wanted to ask him if he’d sign this book, which had now begun to write its own mythology as it sat sentinel over his other signed books on the shelf behind me.

From Los Angeles Times

Ahead of our return to the city, we drive back up the ridge, back through Burguete, the inn still shuttered, and up to Roncesvalles, where the old monastery looms like a sentinel over the pass.

From Salon

Climate change is sure to batter this stone sentinel with higher seas and stronger storms.

From Los Angeles Times

"Since dolphins are considered environmental sentinels for toxic exposures in marine environments," Dr. David Davis at the Miller School of Medicine explains, "there are concerns about human health issues associated with cyanobacterial blooms."

From Science Daily