shaft (redirected from shaft louse)

shaft

1. a revolving rod that transmits motion or power: usually used of axial rotation

2. Anatomy

a. the middle part (diaphysis) of a long bone

b. the main portion of any elongated structure or part

3. the middle part of a column or pier, between the base and the capital

4. a column, obelisk, etc., esp one that forms a monument

5. Architect a column that supports a vaulting rib, sometimes one of a set

6. Ornithol the central rib of a feather

7. an archaic or literary word for arrow

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shaft [shaft]

(geology)

A passage in a cave that is vertical or nearly vertical.

(mechanical engineering)

A cylindrical piece of metal used to carry rotating machine parts, such as pulleys and gears, to transmit power or motion.

(mining engineering)

An excavation of limited area compared with its depth, made for finding or mining ore or coal, raising water, ore, rock, or coal, hoisting and lowering men and material, or ventilating underground workings; the term is often specifically applied to approximately vertical shafts as distinguished from an incline or an inclined shaft.

(science and technology)

A long, slender, usually cylindrical part.