Conduct my steps to find the fatal tree.
Dryden.
9. pl. A portable framework of stairs, much used indoors in reaching to
a high position.
10. (Naut.) In general, a framing in wood or iron which is intended to
receive an upright shaft; specif., a block of wood, or a solid platform
upon the keelson, supporting the heel of the mast.
11. (Mach.) (a) One of a series of offsets, or parts, resembling the
steps of stairs, as one of the series of parts of a cone pulley on
which the belt runs. (b) A bearing in which the lower extremity of a
spindle or a vertical shaft revolves.