1. A drum-shaped section on the lower part of a spindle in spinning or weaving machinery serving as a pulley for the tape drive that rotates the spindle
2. An arrangement of similar anatomical parts (as leaves) in a circle around a point on an axis
3. Something that whirls, coils, or spirals or whose form suggests such movement; swirl
4. One of the turns of a univalve shell
5. A fingerprint in which the central papillary ridges turn through at least one complete circle