(engineering) An open spanner (wrench) to tighten fragile nuts, such as flare nuts, not accessible to a ring spanner (box end wrench) or box spanner (tube spanner).

plural of sleeve holder

(topology) A map from the circle, S¹, to a topological space.^{(McLarty, p. 4})

(medicine) A type of brachymetatarsia where the first metatarsal is shortened in relation to the second, promoting an anterior position of the second metatarsal-phalangeal joint in relation to the ...