- The definition of an oxlip is a European primrose that has yellow flowers on one side of the stem.
A plant that has a yellow rose flower on one side of its thorny stem and that is a cross between a cowslip and a hybrid primrose is an example of an oxlip.
Origin: OE oxanslyppe from oxan, genitive of oxa (see ox) plush slyppe, dropping: see slip
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Origin: Middle English oxeslippe, from Old English oxanslyppe : oxan, genitive sing. of oxa, ox + slyppe, slimy substance; see sleubh- in Indo-European roots.