វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Cross-staff
ENGLISH MEANING
noun
1.
An
instrument
formerly
used
at
sea
for
taking
the
altitudes
of
celestial
bodies
.
2.
A surveyor's
instrument
for
measuring
offsets
.