(US) A traditional double-ended bicycle wrench with a selection of usually 10 sizes—five on each end—arranged in a ball form.

Gorham's disease

(idiomatic) To commit a murder in order to be respected in a criminal gang. / (idiomatic, by extension) To establish one's bona fides; to establish status and respect.

Deuteragenia ossarium, a spider wasp.

(pathology) Synonym of osteogenesis imperfecta

(colloquial, idiomatic) (of a boat or ship) A prominent bow wave (as a result of high speed). / Used other than figuratively or idiomatically: see bone, in, her, teeth.

The set of incised ancient Chinese characters found on oracle bones used in divination during Bronze Age China.

(idiomatic) An amount of flesh on one's body that stops one from being very skinny. / (by extension) An amount of mass, substance, or strength on or within something's body.

plural of bone-house wasp

plural of bone morphogenetic protein