1, The tail, or caudal fin, is large and sickle-shaped, to give short, rapid bursts of speed.

2, Curved and tapering to a point; sickle-shaped.

3, Objective: To evaluate the influence of sickle-shaped renal parenchyma incision on renal function of dogs and the clinical effect of sickle-shaped nephrolithotomy on staghorn calculi.

4, Deinonychus, or "terrible claw" after the sickle-shaped talon on each hind foot, stood about 11 feet from head to tail and was a lithe predator.

5, Curved or sickle-shaped; falcate.

6, A sickle-shaped creature was darting toward Chimney Rock, two sandstone pinnacles that cap a long, narrow rock platform.

7, Gene therapies are another option: these might restore sickle-shaped cells to normal.

8, Any of various small, slender marine worms of the phylum Chaetognatha having a narrow, almost transparent body and sickle-shaped bristles on each side of the mouth.

9, The treatment completely prevented further production of the offending sickle-shaped blood cells in nine of the patients.