tanks is a form of:

Ledge



Same as: lidge
noun
1.
(A shelf or shelf like projection. a narrow shelf along a wall, a window ledge, a shelflike ridge of Tock) គែមខ្ពស់, មាត់, រឹមពន្លាត់, ភាគដែលលយឬពកឡើង, ក្បាលជញ្ជាំង, ចំណោត (ដីចោត), ផ្នែកលយ ចេញទៅក្រៅ
Example: The ledge high up on the cliff, a window ledge.
ENGLISH MEANING
noun
1.
A shelf on which articles may be laid; also, that which resembles such a shelf in form or use, as a projecting ridge or part, or a molding or edge in joinery.
2.
A shelf, ridge, or reef, of rocks.
3.
A layer or stratum.
4.
A lode; a limited mass of rock bearing valuable mineral.
5.
A piece of timber to support the deck, placed athwartship between beams.