 |
| Subject | English | German |
| met. | single U notch | U-Kerbe |
| med. | trochlear notch of U | Incisura trochlearis ulnae (incisura semilunaris ulnae) |
| med. | trochlear notch of U | Incisura semilunaris ulnae (incisura semilunaris ulnae) |
| tech., met. | U-notch | U-Kerb |
| tech., met. | U-notch | Schluessellochkerb |
| tech. | U-notch | Rundkerbe |
| weap. | U-notch rear sight | U-Kimme |