NABLA


Meaning of NABLA in English

ˈnablə noun

( -s )

Etymology: Greek, of Semitic origin; akin to Hebrew nēbhel harp

1. : an ancient stringed instrument probably like a Hebrew harp of 10 or 12 strings — called also nebel

2.

[probably so called from the resemblance of its symbol, the inverted Greek delta, to a harp]

: del

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.