Term: blackboard: sheet of slate; for writing with chalk
Candidate hypernym: sheet: a flat artifact that is thin relative to its length and width → 1
Candidate hypernym: complex sentence: a sentence composed of at least one main clause and one subordinate clause → 0
Candidate hypernym: calcarine sulcus: a sulcus in the mesial surface of the occipital lobe of the cerebrum → 0
Candidate hypernym: keratalgia: pain in the cornea → 0
Candidate hypernym: luffa: any of several tropical annual climbers having large yellow flowers and edible young fruits; grown commercially for the mature fruit's dried fibrous interior that is used as a sponge → 0
Candidate hypernym: wideness: the property of being wide; having great width → 0
Candidate hypernym: deductible: a clause in an insurance policy that relieves the insurer of responsibility to pay the initial loss up to a stated amount → 0
Candidate hypernym: supporting structure: a structure that serves to support something → 0
Candidate hypernym: robbery: larceny by threat of violence → 0
Candidate hypernym: reconnaissance by fire: a method of reconnaissance in which fire is placed on a suspected enemy position in order to cause the enemy to disclose his presence by moving or returning fire → 0
Candidate hypernym: friar's lantern: a pale light sometimes seen at night over marshy ground → 0