Definition of picotah in US English:

picotah

noun

historical
  • In South India: a device for raising water consisting of a pivoted beam weighted at one end and with a bucket suspended from the other, operated by a person standing on the beam and using his or her weight to lower and raise the bucket; a shadoof, a sweep.

Origin

Late 18th century. From Portuguese picota the handle of a ship's pump together with the post in which it works, pillory (on a ship) from pico + -ota, augmentative suffix.