cross-staff
cross-staff · cross-staffs · cross-staves
An early instrument, consisting of a wooden rod with a sliding crosspiece, used for…An early instrument, consisting of a wooden rod with a sliding crosspiece, used for measuring the altitude of a star or for surveying.
Meaning
2 senses(historical)An early instrument, consisting of a wooden rod with a sliding crosspiece, used for measuring the altitude of a star or for surveying.
(obsolete)An archbishop's cross.
Forms
plural: cross-staffs / cross-staves| Singular | cross-staff |
|---|---|
| Plural | cross-staffs / cross-staves |
regular