单词 | cross-staff |
释义 | cross-staff[ kraws-staf, -stahf, kros- ] / ˈkrɔsˌstæf, -ˌstɑf, ˈkrɒs- / noun, plural cross-staffs, cross-staves.Astronomy.an instrument for measuring the angle of elevation of heavenly bodies, consisting of a calibrated staff with another shorter staff perpendicular to and sliding on it. Also called forestaff, Jacob's staff. Origin of cross-staff1400–50, for an earlier sense; late Middle English Words nearby cross-staffcross-sectional study, cross-sell, cross-slide, cross someone's palm with silver, cross someone's path, cross-staff, cross-sterile, cross-stitch, cross-stratification, cross street, cross-string Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cross-staff |
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