n.
Pronunciation: ' b ə lk- ˌ hed, ' b ə l- ˌ ked
Function: noun
Etymology: bulk (structure projecting from a building) + head
Date: 15th century
1 : an upright partition separating compartments
2 : a structure or partition to resist pressure or to shut off water, fire, or gas
3 : a retaining wall along a waterfront
4 : a projecting framework with a sloping door giving access to a cellar stairway or a shaft