TOP'-CHAIN, noun In ships, a chain to sling the lower yards in time of action, to prevent their falling when the ropes by which they are hung, are shot away. TOP'-CLOTH, noun In ships, a piece of canvas used to cover the hammocks which are lashed to the top in action. TOP'-DRAINING, noun The act or practice of draining the surface of land.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI