Term: voluntary: composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a religious service or musical performance
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: trichuriasis: infestation by a roundworm; common in tropical areas with poor sanitation
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: arbiter: someone with the power to settle matters at will
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: shaft: (architecture) upright consisting of the vertical part of a column
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: preconception: an opinion formed beforehand without adequate evidence
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: turbulence: a state of violent disturbance and disorder (as in politics or social conditions generally)
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: eyelessness: blindness due to loss of the eyes
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: till: unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: volvocaceae: unicellular or colonial biflagellate free-swimming flagellates
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: nitrogen narcosis: confused or stuporous state caused by high levels of dissolved nitrogen in the blood
Broader: communication: something that is communicated by or to or between people or groups | Unrelated: spruce: light soft moderately strong wood of spruce trees; used especially for timbers and millwork