Term: keel: one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability
Candidate hypernym: beam: long thick piece of wood or metal or concrete, etc., used in construction → 1
Candidate hypernym: centrosema: a genus of chiefly tropical American vines of the family Leguminosae having trifoliate leaves and large flowers → 0
Candidate hypernym: grinner: a person who grins → 0
Candidate hypernym: dermoid cyst: a cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other material → 0
Candidate hypernym: ern: bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland → 0
Candidate hypernym: nonallele: genes that are not competitors at the same locus → 0
Candidate hypernym: redeployment: the withdrawal and redistribution of forces in an attempt to use them more effectively → 0
Candidate hypernym: macrencephaly: an abnormally large braincase → 0
Candidate hypernym: four-stroke engine: an internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke; work is done on the third stroke and the products of combustion are exhausted on the fourth stroke → 0
Candidate hypernym: throwing stick: a device resembling a sling that is used in various primitive societies to propel a dart or spear → 0
Candidate hypernym: sail: a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel → 0