guard

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guard

 [gahrd]
a protective device.
mouth guard any of various removable intraoral appliances that protect the teeth and sometimes the lips and cheeks during contact sports.

guard

(gahrd)
1. To watch over so as to protect or maintain control.
2. A person or thing performing such a function.

guard

A device for protecting something (e.g., a mouth guard or a face guard).

occlusal guard

A removable dental appliance that covers one or both arches and is designed to minimize the damaging effects of bruxism, jaw and head trauma during contact sports, or any detrimental occlusal habits.
See: nightguard; mouth guard
References in classic literature ?
Now, I sit down under the rock, leaning upon my right hand, and resting my bow between my toes.
Faster, faster, and faster; lightly, more lightly, and yet more lightly whirled the count, flying round Marya Dmitrievna, now on his toes, now on his heels; until, turning his partner round to her seat, he executed the final pas, raising his soft foot backwards, bowing his perspiring head, smiling and making a wide sweep with his arm, amid a thunder of applause and laughter led by Natasha.
In turn, at night on deck, wriggling her toes at him under a rug to simulate some strange and crawling creature of an invader, he would dare to simulate his own befoolment and quite disrupt Villa's bed with his frantic ferocious attack on the thing that he knew was only her toes.
So's the whole toe," he said, drawing his pocket-knife and opening a blade.
My man became painfully acquainted with the toe of a boot.
Its hands were black, too, and its toes curled down, like a bird's.
Of course you may put it that way," was the reply; "but, seriously, I once threw over a most charming girl on learning quite accidentally that she had suffered amputation of a toe.
The other phase of the death-road was that of the habitual drunkards, who had a way of turning up their toes without apparent provocation.
The proportional width of the gape of mouth, the proportional length of the eyelids, of the orifice of the nostrils, of the tongue (not always in strict correlation with the length of beak), the size of the crop and of the upper part of the oesophagus; the development and abortion of the oil-gland; the number of the primary wing and caudal feathers; the relative length of wing and tail to each other and to the body; the relative length of leg and of the feet; the number of scutellae on the toes, the development of skin between the toes, are all points of structure which are variable.
We remained untouched by its beauties, each buried in an easy-chair toasting our toes at the fire.
At this invitation, the Crow stepped out and felt Pinocchio's pulse, his nose, his little toe.
My heels reared aloft, my toes they hearkened,--thee they would know: hath not the dancer his ear--in his toe!