What's the difference between aventail and helmet?

Aventail


Definition:

  • (n.) The movable front to a helmet; the ventail.

Example Sentences:

Helmet


Definition:

  • (n.) A defensive covering for the head. See Casque, Headpiece, Morion, Sallet, and Illust. of Beaver.
  • (n.) The representation of a helmet over shields or coats of arms, denoting gradations of rank by modifications of form.
  • (n.) A helmet-shaped hat, made of cork, felt, metal, or other suitable material, worn as part of the uniform of soldiers, firemen, etc., also worn in hot countries as a protection from the heat of the sun.
  • (n.) That which resembles a helmet in form, position, etc.
  • (n.) The upper part of a retort.
  • (n.) The hood-formed upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
  • (n.) A naked shield or protuberance on the top or fore part of the head of a bird.

Example Sentences:

  • (1) It follows that he would not allow a biker to give evidence while wearing a crash helmet with the visor down.
  • (2) The design of motor cycle helmets has been changing over the years and at the present time there are two basic types in popular use: "full-face" and "jet" helmets.
  • (3) Ultimately, we hope such a program will increase helmet use and consequently reduce morbidity and mortality from head injury in Indiana's children.
  • (4) The study showed surprising results: in the majority of cases, the helmet does not protect the wearer, but instead intensifies the damage caused by the bullet.
  • (5) 9.18am GMT Johnson says he does not wear his helmet all the time when he cycles.
  • (6) The front door is open; outside, a line of police carrying riot helmets files past.
  • (7) Fifty-seven percent of riders were wearing helmets during the mishap.
  • (8) The protective performance of the helmet shells, impact absorbing liners, and retention systems were evaluated, and the severity of the impacts sustained by the helmets was simulated in the test laboratory.
  • (9) Members of the elite police squad wearing helmets came running out of the building and a police union representative at the cordon around the area shouted: "He's dead, he's dead."
  • (10) Ten subjects took part in the trial in a tropical environment by wearing helmets repeatedly (6 h a day) for one month.
  • (11) Here's one entry: 1995: The government is full of jack-booted thugs in bucket helmets.
  • (12) The analysis of the results allowed a conclusion that the latter are concerned with a discoupling effect of substances on oxidative phosphorylation in mitochondria of helmets and their host.
  • (13) To better understand motion in the cervical spine related to helmet wearing and removal, normal volunteers underwent videotaped fluoroscopy during helmet removal and lateral spine X-rays in various positions.
  • (14) We describe the mechanics of a multifaceted campaign undertaken to alter this situation, involving a coalition of health, bicycle, and helmet industry organizations.
  • (15) Japan's prime minister, Shinzo Abe, wearing a red helmet, during a tour of the Fukushima Daiichi plant.
  • (16) This article presents 1990 self-reported data from U.S. students in grades 9-12 regarding the prevalence of three behaviors that reduce the risk for injuries from motor-vehicle crashes-safety-belt use, motorcycle-helmet use, and bicycle-helmet use.
  • (17) The helmet usage was analyzed in two clinical study populations including 200 injured from the county of Västerbotten from two periods 1979-1980 and 1985-86.
  • (18) These data support the need for both increased public education regarding helmet use and mandatory helmet use legislation.
  • (19) The relative frequency of serious head injury was highest for drivers not wearing helmets who were involved in collisions at low or high speeds.
  • (20) Women's lacrosse is potentially hazardous because, unlike men's lacrosse, helmets and face masks are not required.

Words possibly related to "aventail"