| pip | A contagious disease of fowls, characterised by hoarseness, discharge from the nostrils and eyes, and an accumulation of mucus in the mouth, forming a "scale" on the tongue. By some the term pip is restricted to this last symptom, the disease being called roup by them. Origin: OE. Pippe, D. Pip, or F. Pepie; from LL. Pipita, fr. L. Pituita slime, phlegm, rheum, in fowls, the pip. Cf. Pituite. <botany> A seed, as of an apple or orange. Origin: Formerly pippin, pepin. Cf. Pippin. Source: Websters Dictionary (01 Mar 1998) |
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| PIP joints | The synovial joint's between the proximal and middle phalanges of the fingers and of the toes. Synonym: PIP joints. (05 Mar 2000) |