underbody

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underbody

[′ən·dər‚bäd·ē]
(engineering)
The lower portion or underside of the body of a vehicle or airplane.
References in periodicals archive ?
Within OAC Body #1 there is the assembly of underbodies, body sides, roofs, hoods, lift gates, and other components.
They also have civilian uses in resisting gravel impact on bus underbodies.
For the past five years, GenCorp had been molding front underbodies for GM's Corvette using Derakane 790 vinyl ester resin by Dow Chemical Co.