Thesaurus Term/Concept: SHEATHING
| Identifier | 143031 |
|---|---|
| Class | MDA OBJECT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A covering of thin copper plates secured, on top of a layer of tar and horsehair, to the bottom of wooden ships to protect the hull against weeds, barnacles and especially Teredo navalis, a wood-boring worm prevalent in tropical seas. |