bottom break

bottom break

[′bäd·əm ‚brāk]
(botany)
A branch that arises from the base of a plant stem.
(mining engineering)
The break or crack that separates a block of stone from a quarry floor.
References in periodicals archive ?
A CHICA WITH A LONG TORSO: Stripes on top and bottom break up a lanky frame.
While the major double bottom break from the previous week does project gains back to the 104.
Pay special attention to seams of current that rush close to downed trees or hard bottom breaks as these will tend to concentrate baitfish as well as predators.