undermargins

Noun

undermargin (plural undermargins)

1. The lower rim or margin of something.
   • In a valve of the type herein described, the combination of a valve casing provided with a partition dividing its interior into an inlet chamber, an outlet chamber and a piston chamber, the piston chamber having a lower portion of greater area than its upper portion, the said partition having a...1915, Domestic Engineering and the Journal of Mechanical Contracting
2. The lower margin of a page or of an inset image on a page, where it is possible to add a caption.
   • On the undermargin stands the inscription: "Abolish the Tsing, exterminate the Manchoos.”1866, Gustaaf Schlegel, Thian Ti Hwui: The Hung-league, Or Heaven-earth-league, page 40
3. A shortfall; the amount by which the value of an investment purchased on margin falls below the required maintenance amount.
   • In the instant case, it should be noted that the petitioner did not know the exact abount of its undermargin, and that even after its request for a statement of account, it was only some three months thereafter that private respondents were able to comply.1978, The Philippine Law Report - Volume 5, page xcvii

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