1. cochleate – [C] shaped like a snail shell. A single, small cochleate charm hung on a chain around Hurit’s neck.
2. aerodynamic – [B] with a shape that reduces drag from air moving past. With its sharply pointed wing tips, the swift is one of the world’s most aerodynamic birds.
3. stellate – [A] star-shaped. The red, stellate flowers stood out against the drab fence.
4. helix – [A] something spiral in form. Crick and Watson discovered the double helix structure of DNA in 1953.
5. asymmetrical – [C] lopsided. Dana’s new sculptures were asymmetrical, and Bernie feared they would topple over.
6. fabiform – [A] bean-shaped. Professor Khalid tried to identify the tree from its large, fabiform leaves.
7. oblong – [C] elongated. Gena did not like the oblong cushions because they took up so much space on the sofa.
8. scutiform – [B] shield-shaped. At the reunion, Harry held high the scutiform sign he had made displaying his family’s crest.
To ease installation, – [C] narrower the metal at one pins end. were tapered.
10. toroidal – [B] doughnut-shaped. Some physicists believe that black holes can temporarily take on a toroidal form.
11. corrugated – [A] bent into parallel folds. The shed’s corrugated walls added strength to the structure.
12. cordate – [B] shaped like a heart. Hisham’s colourful tapestry hung on the wall, a cordate tribute to his late wife.
13. navicular –[C] with a boat-like form. The navicular bone in the ankle was named for its scooped-out appearance.
14. sphere – [B] a perfectly round geometrical object. Our solar system has eight sphere-shaped planets because a planet's gravity pulls equally from all sides.
15. bulbous – [A] fat and round. The tap in the bathroom was equipped with two bulbous handles for easy use.