[f. TIP sb.1 + -LET.] A small or minute tip or point.

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1890.  C. L. Morgan, Anim. Life & Intell. (1891), 106. The feathers composing their tiplets … are of so beautiful a colour that they beggar description.

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1899.  Blackw. Mag., April, 671/2. Pale heads of meadow-rue dusted with ruddy tiplets.

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