Answer | Crossword Clue |
---|---|
octantal | instrument having an arc of 24┬░, used by navigators for measuring angles up to 90┬░ |
octant | instrument having an arc of 24┬░, used by navigators for measuring angles up to 90┬░ |
octants | instrument having an arc of 24┬░, used by navigators for measuring angles up to 90┬░ |