semicovering noun 2adjective 1forms 1 noun2 •Something that partially covers, revealing or exposing a portion.Always above the trees was a semicovering of taller jungle-variety trees. — 1970 •A projection that has the property that for any projection onto its image, it is possible to find a corresponding projection onto its domain such that locally constant regions about a point projected onto the image have locally constant images in the domain.In this paper, by reviewing the concept of semicovering maps, we present some conditions under which a local homeomorphism becomes a semicovering map. — 2016 adjective1 •Partially covering.Belowground alley shadowed by semidome (A); by semicovering arches (B); by tree plantings (C) for hot, dry climates. and curved to trap the garbage. — 1983 formssemicoverings