anchor

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anchor

(ang'ker),
Any device that fixes the position of an object with respect to its surroundings.
[M.E. anker, fr. O.E. ancor, fr. L. ancora, fr. G. ankyra]

anchor

A clinical trial term of art for a planned activity, often marking the transition between epochs (stages) or elements of a clinical study plan—e.g., FP/FV (first patient/first visit).

anchor

(ang′kŏr) [L. ancora, anchora, fr Gr. ankyra, anchor]
1. Any structure that provides stability for a prosthetic dental appliance, e.g., a crown, bridge, or denture. The anchor may be a metal implant, a natural tooth, or part of a fixed bridge.
2. In emergency medicine, to tie or attach a rope or sling so it will not move and can support the weight of the rescuers, basket, and patient.
3. A tree, rock, door casing, or other strong stable device that will not move when a rescuer and patient's weight are attached to it.
4. In cell biology, a scaffold within the cell or its membranes, on which enzymes or other important molecules are suspended.
References in classic literature ?
lay among the reefs until the 14th, and not until the 20th did he cast anchor within the barrier in the harbour of Vanou.
The Bayonnaise cast her anchor before Vanikoro some months after the departure of the Astrolabe, but found no new document; but stated that the savages had respected the monument to La Perouse.
To speak with severe technicality, a ship or a fleet is "brought up" - the complementary words unpronounced and unwritten being, of course, "to an anchor.
Not one was able to bear a hand, so Charley and I between us cleared the badly tangled running gear, got up sail, and hoisted anchor.
Dan bent low over the gunwale to hide a smile, twitched once or twice on the roding, and, behold, the anchor drew at once.
They left him regarding the weed-hung flukes of the little anchor with big, pathetic blue eyes, and thanking them profusely.
The vessel was slowly rising and now the anchor was beyond the blacks who faced me and several feet above their heads.
A second leap carried me just high enough to grasp the now rapidly receding anchor.
For a moment it seemed that she should miss her goal by but a few feet, but at the last moment the canoe swung close beneath the steamer's bow and Jane barely managed to grasp the anchor chain.
To release her hold upon the chain and chance clambering to the ladder as her canoe was swept beneath it seemed beyond the pale of possibility, yet to remain clinging to the anchor chain appeared equally as futile.
Last of all, so far as concerned the Solomons, her anchor rumbled down and bit into the coral-sanded bottom of the harbour of Tulagi, where, ashore on Florida Island, lived and ruled the Resident Commissioner.
The man dodged and ducked, and Victor broke all the knuckles of both his fists against the huge links of the anchor chain.