| Answer | Crossword Clue |
|---|---|
| STROP | It gives a barber an edge |
| ICESKATE | It gives an athlete an edge |
| HONES | Gives an edge |
| HONES | Gives an edge to |
| WHETS | Gives an edge to |
| astrolabes | An instrument formerly used to make astronomical measurements, typically of the altitudes of celestial bodies, and in navigation for calculating latitude, before the development of the sextant. In its basic form (known from classical times), it consists of a disk with the edge marked in degrees and a pivoted pointer |
