be+at+the+head+of
131Head of tide — is the farthest point upstream where a river is affected by tidal fluctuations. This applies to rivers which flow into tidal bodies such as oceans, bays and sloughs. Though this point may vary due to storms and seasonal or annual differences in… …
132Head (watercraft) — The head (or heads) is a ship s water closet or toilet.The term derives from sailing ships in which the toilet area for the regular sailors was placed at the head or bow of the ship. In sailing ships this position was sensible for two reasons:… …
