| One of the signals in Morse code |
DOT |
| One of the two upper chambers of the heart |
ATRIUM |
| Plumbing fixture |
SHOWER |
| Produced by intense heat, rocks say |
IGNEOUS |
| Projections that are fitted into a mortise |
TENONS |
| Questions, marvels |
WONDERS |
| Quick or skilful |
ADROIT |
| Receptacle where something is inserted |
SOCKET |
| Reflection of sound waves |
ECHO |
| Sentinel, watcher |
LOOKOUT |
| Short scenes from a future film |
TRAILER |
| Sleeve badge showing military rank |
STRIPE |
| Social insect |
ANT |
| Strong cord |
ROPE |
| Substitute, supersede |
REPLACE |
| Tear, burst open |
RUPTURE |
| Thoroughfare |
STREET |
| Unpaid player |
AMATEUR |
| Valance board |
PELMET |
| Weakling of the litter |
RUNT |
| Wild goat of North Africa |
IBEX |