Home
Random
Log in
Settings
Donations
About Wiktionary
Disclaimers
Search
blind level
Language
Watch
Edit
English
edit
Noun
edit
blind
level
(
plural
blind levels
)
(
mining
)
A
level
or
drainage
gallery
which has a
vertical
shaft
at each end, and acts as an
inverted
siphon
.
Categories
:
English lemmas
English nouns
English countable nouns
English multiword terms
en:Mining