As an acronym nav
is (net asset value).
As an adjective umbilical is
of, or relating to, the navel (umbilicus) or the umbilical cord.
As a noun umbilical is
(astronautics) a cord connecting an astronaut to a spacecraft or the like.
nav
English
Noun
(-)
(transport, military, internet) Navigation. Often used attributively, as in nav beacon.
Anagrams
*
----
umbilical
English
Adjective
(
en adjective)
Of, or relating to, the navel (umbilicus) or the umbilical cord.
Related terms
* postumbilical
* umbilical artery
* umbilical cord
* umbilical hernia
* umbilical vein
Noun
(
en noun)
(astronautics) A cord connecting an astronaut to a spacecraft or the like.