Definitions
1.NounA board sliding in grooves.
A sign that slides into a frame on the front of a bus for displaying special messages.
A type of fence consisting of panels or boards held between uprights that have grooves on either side to hold the edges of the two adjacent boards.
2.NounA sign that slides into a frame on the front of a bus for displaying special messages.
3.NounA type of fence consisting of panels or boards held between uprights that have grooves on either side to hold the edges of the two adjacent boards.
4.NounA list of substitute workers that are available in a union-controlled business, listed in priority order and by the shift they would like to work.