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An instrument for cutting into the fetal head, to facilitate delivery.

An instrument for measuring charts or maps.

A calculating machine; an arithmometer.

Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship.

An instrument (chisel or shears) to cut the ribs and open the thoracic cavity, in post-mortem examinations and dissections. Knight.

One who collect customs; a toll gatherer. [Obs.] The customers of the small or petty custom and of the subsidy do demand of them custom for kersey cloths. Hakluyt.

A division of Bryozoa, in which the cells have circular apertures.

Pertaining to the Cyclostomi.

A knife or instrument used in cystotomy.

An instrument for measuring the dilatation or expansion of a substance, especially of a fluid.

Cleaving with difficulty.

The more transparent cells, which finally become external, in many segmenting ova, as those of mammals.

The foramen or passage through the inner integument of an ovule.

A kind of scissors used for opening the intestinal canal, as in post-mortem examinations.

The more granular cells, which finally become internal, in many segmenting ova, as those of mammals.

The region between the antennæ and the mouth, in Crustacea.

a smaller space by curtailment and condensation; a brief summary; an abridgement. [An] epitome of the contents of a very large book. Sydney Smith.

The small aperture or foremen in the outer coat of the ovule of a plant.

Having an even lower surface or bottom; as, a flat-bottomed boat.

Full and large at the bottom, as wigs worn by certain civil officers in Great Britain.