B63B 21/00 - Definition 
Informative references
Attention is drawn to the following places, which may be of interest for search:
Buoys for mooring vessels | B63B 22/02 |
Glossary of terms
In this subclass, the following terms or expressions are used with the meaning indicated:
| Fluke | A flat blade upon an anchor, designed to penetrate and grip the seabed. |
| Hawser | Anchor or mooringline, rope or cable; towing rope, towline. |
| Shifting | Moving a vessel from one place to another, e.g. from one berth to another, or using an anchor and warp to pull a vessel into position. |
| Tying-up | Securing a vessel with ropes. |