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The larva of the spiny lobsters (Palinurus and allied genera). Its body is remarkably thin, flat, and transparent; the legs are very long. Called also glass-crab, and glass-shrimp.

The delicate and highly vascular membrane immediately investing the brain and spinal cord.

Having a pike or spine on the back; -- said of certain fishes.

A child employed in spinning mill to tie together broken threads.

A clothespin.

An instrument having two handles and two grasping jaws working on a pivot; -- used for griping things to be held fast, drawing nails, etc.

A small American bird (Spinus, or Chrysomitris, spinus); -- called also pine siskin, and American siskin.

(see Rack); esp., such a wheel having its leaves formed of the substance of the arbor or spindle which is its axis. Lantern pinion. See under Lantern. -- Pinion wire, wire fluted longitudinally, for making the pinions of clocks and watches. It is formed by being drawn through holes of the shape required for the leave…

), having a large head, with prominent nasal projection, and with large, sharp, opercular spines.

To spin, as a top.

Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.

A black variety of spinel.

Having a curved projection or spine on the inner side of a leg joint; -- said of insects.

Pertaining to the Pomacentridæ, a family of bright-colored tropical fishes having spiny opercula; -- often called coral fishes.

Old Word rodent of the genus Hystrix, having the back covered with long, sharp, erectile spines or quills, sometimes a foot long. The common species of Europe and Asia (Hystrix cristata) is the best known.

throw, as a musket, diagonally across the body, with the lock in front, the right hand grasping the small of the stock, and the barrel sloping upward and crossing the point of the left shoulder; as, to port arms. Began to hem him round with ported spears. Milton. Port arms, a position in the manual of arms, executed as…

The part of the scapula behind or below the spine, or mesoscapula.

Of or pertaining to the postscapula; infraspinous.

a pothook. -- Pot herb, any plant, the leaves or stems of which are boiled for food, as spinach, lamb's-quarters, purslane, and many others. -- Pot hunter, one who kills anything and everything that will help to fill has bag; also, a hunter who shoots game for the table or for the market. -- Pot metal. (a) The meta…

Caries of the vertebræ, frequently resulting in curvature of the spine and paralysis of the lower extremities; -- so named from Percival Pott, an English surgeon. Pott's fracture, a fracture of the lower end of the fibula, with displacement of the tibia. Dunglison.