|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|the offspring of a zebra and a donkey.|
|—n , pl cruxes, cruces|
|1.||a vital or decisive stage, point, etc (often in the phrase the crux of the matter)|
|2.||a baffling problem or difficulty|
|3.||mountaineering the most difficult and often decisive part of a climb or pitch|
|4.||a rare word for cross|
|[C18: from Latin: cross]|
crux (krŭks, kr&oobreve;ks)
n. pl. crux·es or cru·ces (kr&oomacr;'sēz)
A cross or a crosslike structure.
constellation lying at about 12 hours 30 minutes right ascension (the coordinate on the celestial sphere analogous to longitude on the Earth) and 60 south declination (angular distance south of the celestial equator), now visible only from south of about 30 north latitude (i.e., the latitude of North Africa and Florida). It appears on the flags of Australia, New Zealand, and Samoa (formerly Western Samoa)
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