from the GNU version of the Collaborative International Dictionary of English
- n. An apparatus to assist in locating the center of a cyclone.
from The Century Dictionary and Cyclopedia
- n. A hurricane-indicator; an apparatus (devised by Padre Viñes, S. J., Havana) consisting of an outer card with compass-points and an inner movable card with lines, to show the direction of motion of the various atmospheric currents constituting the circulation of a tropical hurricane.
Sorry, no etymologies found.