| NOS | |
|---|---|
| Anch | Anchorage |
| Apprs | Approach, Approaches |
| B | Bay, Bayou |
| Bk | Bank |
| Chan | Channel |
| Co rf; Rf | Coral reef; Reef |
| Cr | Creek |
| Cr | Cove |
| Entr | Entrance |
| Est | Estuary |
| Fd | Fjord |
| G | Gulf |
| In | Inlet |
| L | Loch, Lough, Lake |
| Lag | Lagoon |
| Le | Ledge |
| Mt | Mount, Mountain |
| Mth | Mouth |
| Pass | Passage, Pass |
| Pk | Peak |
| Rd | Roads, Roadstead |
| Rf; Co rf | Reef; Coral reef |
| Sd | Sound |
| Shl | Shoal |
| Str | Strait |
| Other Terms | |
| anc | ancient |
| approx | approximate |
| D, Destr | destroyed |
| dist | distant |
| exper | experimental |
| Subm, subm | submerged |