A surgical mask is used inside the operating room or during other sterile procedure areas to protect the patient environment from contamination. Surgical masks have ties so that they can be adjusted for fit, and are tied over the top of a surgical or bouffant cap.
rockfall. 1  an act or instance of the falling of rock, as in a cave-in or an avalanche. 2  a mass of rocks that have fallen: to be trapped under a rockfall.
Dictionary entry overview: What does footfall mean? â¢ FOOTFALL (noun) The noun FOOTFALL has 1 sense: 1. the sound of a step of someone walking Familiarity information: FOOTFALL used as a noun is very rare.