Term: postern: a small gate in the rear of a fort or castle
Broader: obstruction: any structure that makes progress difficult | Unrelated: lectin: any of several plant glycoproteins that act like specific antibodies but are not antibodies in that they are not evoked by an antigenic stimulus
Broader: obstruction: any structure that makes progress difficult | Unrelated: salsify: either of two long roots eaten cooked
Broader: obstruction: any structure that makes progress difficult | Unrelated: foundation: the basis on which something is grounded
Broader: obstruction: any structure that makes progress difficult | Unrelated: picture: a situation treated as an observable object
Broader: obstruction: any structure that makes progress difficult | Unrelated: maidenliness: behavior befitting a young maiden
Broader: obstruction: any structure that makes progress difficult | Unrelated: mitzvah: (Judaism) a good deed performed out of religious duty
Broader: obstruction: any structure that makes progress difficult | Unrelated: unreality: the quality possessed by something that is unreal
Broader: obstruction: any structure that makes progress difficult | Unrelated: bar: a submerged (or partly submerged) ridge in a river or along a shore
Broader: obstruction: any structure that makes progress difficult | Unrelated: windsor chair: straight chair having a shaped seat and a back of many spindles
Broader: obstruction: any structure that makes progress difficult | Unrelated: bulb: a rounded dilation or expansion in a canal or vessel or organ