| TSIDED | Like a triangle |
| 3SIDED | Like a triangle |
| COCKEDHAT | An old-fashioned two- or three-cornered chapeau such as a bicorn or a tricorn; or, a triangle formed on a nautical chart as a result of position lines failing to intersect at a point (6,3) |
| TORTILLA | From "cake", a Spanish omelette; a Mexican pancake-like flatbread; or, a triangle of the latter, as a nacho (8) |
| SLICE | Backspin in tennis; a ball that curves away from a player's dominant hand in golf; a triangle of pizza; or, a broad-bladed utensil (5) |
| ONEFOLD | Consists of single part - like making a square into a triangle (7) |
| DELTA | May be dealt a letter looking like a triangle (5) |
| RACK | A grating for fodder/hay; a triangle for snooker balls; or, a cut of lamb, known in French as carre d'agneau (4) |
| THREECORNERED | Number forced into a restricted place, like a triangle |
| SCALENE | Like a triangle with three unequal sides |
| RANG | Sounded, as a bell or a triangle |
| BALALAIKA | Russian string instrument shaped like a triangle |
| EJECT | Button with a triangle over a rectangle |
| BABUSHKA | A woman's headscarf folded into a triangle and tied under the chine. |
| SHAWL | Piece of fabric often folded into a triangle, wrapped around a baby |
| HERO | - of Alexandria; ancient Greek credited with inventing the first vending machine who also devised the aeolipile and a way to determine the area of a triangle (4) |
| ASTERISM | Constellation-like pattern or group of stars; or, three asterisks arranged in a triangle (8) |
| CEDE | Button whose icon consists of a triangle over a horizontal line |
| ODD | Like the number of sides on a triangle or pentagon |
| ARM | In yoga, one side of a triangle formed in triangle pose |