Sentence examples for a sentinel from inspiring English sources

Be a sentinel.

There is a sentinel at every corner.

Lemly calls the fish a sentinel species.

This is called a sentinel node.

Sara stood next to Mona like a sentinel.

Along Georgia Avenue, Grace Bivins stood like a sentinel behind her grooming chair at Shelton's Salon.

The decline is alarming, Dr. Jessup said, because "the otter is a sentinel species".

Mrs. Nabokov met him at the door, standing like a sentinel between him and her husband.

A Sentinel circled above Abbottabad, Pakistan, last year, supporting the raid on Osama bin Laden's compound.

It was a Sentinel caught snooping in Iranian airspace, likely piloted from Tonopah or Creech.

Rangers was a sentinel, we assumed, that no one could ever bring down.