Nosing

nosing
The rounded fore-edge of a stair tread.
Not everyone is privileged to travel, but everyone should experience architecture...

NOSING - Outer top corner of step or sill.
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ONE-PIPE HEATING - All water passes in and out of each radiator in turn.

Nose / Nosing
- the projecting edge of a tread. A step with a round nose is sometimes referred to as bottle-nosed.
See stair.

Welted nosing - A junction in supported sheetmetal roofing in which a vertical sheet comes up under a horizontal sheet. They are folded together and dressed down the vertical surface ...

nosing - An edge part of the tread that protrudes from the riser beneath.

Each step may be divided into several different parts such as the tread, the riser and the nosing. The tread is the horizontal upper surface of the step which supports the foot when ascending or descending the stairs.

Tread
The horizontal portion of a step, usually with a rounded edge, or 'nosing' which overhangs the riser.
Vestibule
Is typically a small room or hall between an entrance and the interior of the building or house. Also a lobby or entrance hall ...

When they sat down on the grass with Captain curled at their feet, Soot solemnly listening on a tree and Nut and Shell nosing about close to them, it seemed to Mary that it would be scarcely bearable to leave such delightfulness, ...

A convex moulding, usually semi-circular. There are a variety of different types of beads. Examples include: angle bead, nosing bead, double bead and so forth.
Beak Moulding
Moulding shaped into a beak-like form.

especially with the expansion of monasticism and the building of large stone churches, and is characterized by massive masonry, round-headed arches and vaulting inspired by ancient Roman precedent, and by the use of stylized ornament.Nosing ...

See also: Tread, Frame, Floor, Timber, Architecture