Term: compass card: compass in the form of a card that rotates so that 0 degrees or North points to magnetic north
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: blast furnace: a furnace for smelting of iron from iron oxide ores; combustion is intensified by a blast of air
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: crux: the most important point
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: winter cress: cress cultivated for winter salads
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: apparition: the appearance of a ghostlike figure
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: fantods: an ill-defined state of irritability and distress
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: fixing agent: a chemical compound that sets or fixes something (as a dye or a photographic image)
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: economics profession: the body of professional economists
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: sackcloth and ashes: a display of extreme remorse or repentance or grief
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: reductio ad absurdum: (reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction
Broader: whole: an assemblage of parts that is regarded as a single entity | Unrelated: black mustard: widespread Eurasian annual plant cultivated for its pungent seeds; a principal source of table mustard