Bush

Source : Wright, Joseph English Dialect Dictionary
web : https://eddonline4-proj.uibk.ac.at/edd/main.html

7. In pl. Masses of seaweed growing on sunken rocks,
and exposed at low water. N.I.1

BUSH, sb.2 Cor. Two hoops fixed on a short pole,
passing through each other at right angles, used for
signalling the position of a school of pilchards.
Cor.1 Hoops are covered with white calico, and used as signals
by a person standing on a hill to show where pilchards lie in a bay;
Cor.2

BUSH, v.4 Cor. [buʃ.] To strike the ears of corn
against a barrel instead of threshing it with a flail.
Cor.1 When straw was wanted for thatching, women were
employed to beat out the corn into a barrel with the head out;
Cor.2

Source : Century Dictionary ( https://en.wikipedia.org/wiki/Century_Dictionary )