noun
ground; earth's crust; riverbed
Refers to the physical ground or geological stratum, including the earth's crust or the bed of a body of water.
この地域の地盤は軟らかい。
The ground in this area is soft.
川の地盤には砂利が堆積
Gravel has accumulated on the riverbed.
noun
Used for the structural base of a building or construction, or metaphorically for a solid foundation.
建物の地盤を強化する工事が行われた。
Work was done to strengthen the building's foundation.
noun
power base; constituency; foothold
Figurative use referring to a political or organizational support base, electoral constituency, or a secure position from which to operate.
彼は地元を地盤とする政治家だ。
He is a politician whose power base is his hometown.
新市場で地盤を固める。
We solidify our foothold in the new market.