Wiktionary
n. Any helmet designed to protect the head from accidental injury, such as a bicycle helmet or construction helmet.
Usage examples of "safety helmet".
I joked in one of my books that I felt as if I ought to put a safety helmet on before writing about the Cambrian period, but it did actually feel a bit like that.
Their skulls were thickened with massive layers of hormonally induced bone growth, as a form of subdermal safety helmet suitable for mining work, extending nearly to the width of their shoulders.
Scotty checked the movement of the nozzles and made sure they were clear, then ran for Zircon's boat while Hartson Brant rechecked harness and safety helmet.
He watched the reflections of the trees above him as they slid and swayed about the shiny blue surface of his safety helmet.
Hatch returned the phone to its cradle, buckled on a safety helmet and harness, then stepped outside and climbed down the tower to the staging platform.
After the lush coolness of her house, a long motorcycle ride in the hot sun had made the safety helmet an oven.
Children in Pine Station, a suburban town in Arkansas, must either wear a safety helmet during their entire school day or their parents must sign a waiver saying they will not sue for damages should their child be injured.
Crystal turned to see a short man wearing a red safety helmet standing there.
His safety helmet covered my head and, with the collar turned up, very little of me was visible.
He nodded, reached for his safety helmet and gloves, and then he was gone, striding out on to the helicopter deck.