[f. THORN sb. + -LET.] a. A diminutive thorn-bush. b. A minute thorn.

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1865.  E. Burritt, Walk Land’s End, xii. 419. The Rifle Corps fired a volley over the consecrated thornlet.

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1882.  Sladen, in Jrnl. Linn. Soc., XVI. 201. The spinelets … appear like well-developed thornlets.

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