| blue shield | A prepaid health insurance plan for costs of physicians' services. (12 Dec 1998) |
|---|---|
| water shield | <botany> An aquatic American plant (Brasenia peltata) having floating oval leaves, and the covered with a clear jelly. Source: Websters Dictionary (01 Mar 1998) |
| shield | 1. To cover with, or as with, a shield; to cover from danger; to defend; to protect from assault or injury. "Shouts of applause ran ringing through the field, To see the son the vanquished father shield." (Dryden) "A woman's shape doth shield thee." (Shak) 2. To ward off; to keep off or out. "They brought with them their usual weeds, fit to shield the cold to which they had been inured." (Spenser) 3. To avert, as a misfortune; hence, as a supplicatory exclamation, forbid! "God shield that it should so befall." (Chaucer) "God shield I should disturb devotion!" (Shak) Origin: AS. Scidan, scyldan. See Shield. 1. A broad piece of defensive armor, carried on the arm, formerly in general use in war, for the protection of the body. See Buckler. "Now put your shields before your hearts and fight, With hearts more proof than shields." (Shak) 2. Anything which protects or defends; defense; shelter; protection. "My council is my shield." 3. Figuratively, one who protects or defends. "Fear not, Abram; I am thy shield, and thy exceeding great reward." (Gen. Xv. 1) 4. <botany> In lichens, a Hardened cup or disk surrounded by a rim and containing the fructification, or asci. 5. The escutcheon or field on which are placed the bearings in coats of arms. Cf. Lozenge. 6. <chemical> A framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses. 7. A spot resembling, or having the form of, a shield. "Bespotted as with shields of red and black." 8. A coin, the old French crown, or ecu, having on one side the figure of a shield. <botany> Shield fern, any fern of the genus Aspidium, in which the fructifications are covered with shield-shaped indusia; called also wood fern. Origin: OE. Sheld, scheld, AS. Scield, scild, sceld, scyld; akin to OS. Scild, OFries. Skeld, D. & G. Schild, OHG. Scilt, Icel. Skjoldr, Sw. Skold, Dan. Skiold, Goth. Skildus; of uncertain origin. Cf. Sheldrake. Source: Websters Dictionary (01 Mar 1998) |
| shield-bearer | 1. One who, or that which, carries a shield. 2. <zoology> Any small moth of the genus Aspidisca, whose larva makes a shieldlike covering for itself out of bits of leaves. Source: Websters Dictionary (01 Mar 1998) |
| nipple shield | A cap or dome placed over the nipple to protect it during nursing. (05 Mar 2000) |
| embryonic shield | A thickened area of the embryonic blastoderm from which the embryo develops. (05 Mar 2000) |
| accessory organs of the eye | The eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival sac, and extrinsic muscles of the eyeball. Synonym: organa oculi accessoria, accessory organs, accessory visual apparatus, adnexa oculi, appendages of eye. (05 Mar 2000) |
| accommodation of eye | The increase in thickness and convexity of the eye's lens in order to focus the image of an external object upon the retina. (05 Mar 2000) |
| amaurotic cat's eye | A yellow reflex from the pupil in cases of retinoblastoma or pseudoglioma. (05 Mar 2000) |
| anterior chamber of eye | The space between the cornea anteriorly and the iris/pupil posteriorly, filled with a watery fluid (aqueous humor) and communicating through the pupil with the posterior chamber. Synonym: camera anterior bulbi, camera oculi anterior, camera oculi major. (05 Mar 2000) |
| anterior eye segment | That part of the eyeball anterior to the lens. (12 Dec 1998) |
| antibiotic eye drops | <pharmacology> A medication that is pH balanced to allow placement into the eye for the purpose of killing bacteria. Examples include: Bleph-10, Chloromycetin, Cortisporin-Ophthalmic, Gantrisin, Genoptic, Gentacidin, Garamycin, Gantrisin, Ilotycin, Sodium Sulamyd and Sulphair. (27 Sep 1997) |
| aphakic eye | The eye from which the lens is absent. (05 Mar 2000) |
| appendages of eye | The eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival sac, and extrinsic muscles of the eyeball. Synonym: organa oculi accessoria, accessory organs, accessory visual apparatus, adnexa oculi, appendages of eye. (05 Mar 2000) |
| artificial eye | A curved disk of opaque glass or plastic, containing an imitation iris and pupil in the centre, inserted beneath the eyelids and supported by the orbital contents after evisceration or enucleation; it may be ready-made (stock) or custom-made. (05 Mar 2000) |