The forward railing structure at the bow. No terms in this section

The frame at the bow of the boat that acts as a terminal for the guardrails. On yachts it is usually made of stainless steel and might have the bow lights fixed to it.

guard rail round the bow of a yacht

a metal framework on deck at the bow or stern. Provides a safety railing and serves as an attachment for the lifelines.

Forward deck and railing structure at the bow of a boat.

A sturdy railing around the deck on the bow.