| SEPTUM | A partition separating two chambers, such as that between the nostrils or the chambers of the heart |
| BICAMERAL | Composed of two chambers, such as legislative bodies like the U.S. Congress (9) |
| DOLMEN | Ancient stone burial chamber, such as that at Poulnabrone, Ireland (6) |
| SNARE | The nostrils or nares can be quite a trap when disturbed |
| SYSTOLE | The contraction of the chambers of the heart - especially the ventricles. (7) |
| SNUFF | Finely powdered tobacco for sniffing up the nostrils or chewing (5) |
| ENDOCARDIUM | Thin membrane that lines the chambers of the heart (11) |
| HEARHEAR | Words of support traditionally expressed in the chambers of the UK Parliament (4,4) |
| STUMPS | Baffles (ABOUT THIS PUZZLE: If you saw the headline "Fiend Found!" you might instantly notice that, between the two words, only the vowels change - the consonants stay put. Okay, if you were me, you'd |
| INFRARED | ____ radiation, that between the visible and microwave regions of the spectrum (8) |
| CAVES | Underground chambers such as those in France's Vezere Valley or South Australia's Naracoorte |
| NARES | Nostrils or to swim, 2nd sing. imperf. act. subj. |
| TUG | A forcible pull; or, a hard struggle such as that between opposing teams at opposite ends of a rope (3) |
| BAIL | A bucket for ladling water from a boat; a partition in a stable; a bar on a typewriter; a hoop; a semicircular handle; a crosspiece bridging a wicket's stumps; or, a temporary release from custody (4) |
| EURIPUS | Strait or channel with a strong tide or current such as that between Euboea and Boeotia in ancient Greece (7) |
| VENTRICLE | Each of the two main chambers of the heart that receive blood from the atrium (9) |
| SCREEN | A partition of timber or stone in a church or a medieval hall; a sieve; framed mesh for serigraphy; the film industry; or, movies collectively (6) |
| SOUND | Strait or channel such as that between Denmark and Sweden (5) |
| ATRIUM | One of the two upper chambers of the heart (6) |
| EYERHYME | Similarity such as that between love and move |
