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  1. noting or pertaining to ammunition of smaller caliber than the gun in which it is used.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for subcaliber

Historical Examples

  • But he saw that Sydenham was no target for him, save in a sort of subcaliber practice.

    Ewing\'s Lady

    Harry Leon Wilson

  • Companies which cannot have subcaliber practice at home station have only one-half the annual subcaliber allowance.

    The Gunner's Examiner

    Harold E. Cloke