| COMPASSES | Instruments used for drawing circles and measuring distances, consisting of two arms, joined at one end (9) |
| TONGS | A device consisting of two arms connected by a hinge, pivot for grasping things |
| COMPASS | Instrument for drawing circles |
| MICROMETERS | Instruments used for measuring minute distances (11) |
| TOOLKIT | A set of working instruments used for making or repairing something (4,3) |
| BRACES | From "two arms", word for orthodontic retainers, pairs of pheasants, suspenders for trousers, the marks { and } or other clasping, supporting or couples of things (6) |
| AMMETERS | Instruments used for measuring electric currents (8) |
| RULER | A straight edged strip used for drawing lines and measuring (5) |
| LYRE | Instrument of Sumerian origin having a yoke, or two arms and a crossbar, projecting out from and level with the body. The strings run from a tailpiece on the bottom or front of the instrument to the c |
| OBOES | Double-reed instruments used for tuning an orchestra |
| CALLIPERS | Geometrical instruments used for making walking aids (9) |
| COUNTERS | General word for playing pieces such as draughts or winks; worktops; or, instruments for detecting and measuring ionising radiation (8) |
| GEIGERCOUNTER | An instrument for detecting and measuring the intensity of ionising radiation |
| AVEBURY | Located in Wiltshire, England, it is one of the largest prehistoric sites in Europe of the late Neolithic period. It has circles and a sanctuary. This site, together with Stonehenge, were collectively |
| BLOOMSBURY | An area of London associated with a group of artists, intellectuals and writers who, according to Dorothy Parker, "lived in squares, painted in circles and loved in triangles" (10) |
| TRANSEPT | In a cross-shaped church, what is either of the two arms of the cross called? (8) |
| PIPETTE | Tube for drawing up and measuring liquids (7) |
| OCTANT | Part of a circle worker joined at end of month (6) |
| CELLO | One of the instruments used to perform Le Cygne (The Swan) in SaintSaens's The Carnival of the Anima |
| HORN | One of a group of metal wind instruments used in the orchestra (4) |
