| FLATIRON | Building, a triangular skyscraper between uptown and downtown New York (8) |
| RAT | Animal that is genetically distinct between uptown NYC and downtown NYC |
| SONGS | "Uptown Funk" and "Downtown," for two |
| SOHO | Neighborhood in downtown New York City |
| MAINDRAG | Way downtown, new diagram covers end of marathon (4,4) |
| PORPOISE | A small toothed whale with a triangular dorsal fin and a blunt, rounded snout (8) |
| SPANDRIL | In architecture, a triangular area between two adjacent arches and the plane above them (8) |
| TURNOVER | A triangular typically apple-filled pastry; an old word for a small shawl; a company's gross revenue; or, a front-page article, continued overleaf (4,4) |
| SPANDREL | What is a triangular space between the curve of an arch and the enclosing mouldings (8) |
| PEDIMENT | In architecture, a triangular gable forming the end of the roof slope over a portico (8) |
| DUTCHCAP | Woman's hat with a triangular turn |
| TRUSS | Unit equal to 56lb of old hay or 60lb of new hay; a corbel; or, a triangular component of a roof (5) |
| GABLE | Sometimes surmounted by a finial, a triangular part of a wall closing the end of a pitched roof (5) |
| HARP | String instrument consisting of a triangular frame formed by a soundbox, pillar and curved neck (4) |
| PROA | Swift Malayan sailboat with a triangular sail and single outrigger (4) |
| TANGENT | Brown and another man seen in a triangular relationship (7) |
| BALALAIKA | Instrument with three strings and a triangular body (9) |
| TETRAHEDRON | A solid figure with four plane faces, a triangular pyramid (11) |
| PRISM | Optical device having a triangular shape and made of glass (5) |
| GAIR | A triangular piece let into a garment to widen it (4) |
