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a. The laterally projecting prominence of the pelvis or pelvic region from the waist to the thigh.
b. A homologous posterior part in quadrupeds.
c. The hip joint.
2. Architecture The external angle formed by the meeting of two adjacent sloping sides of a roof.
[Middle English, from Old English hype.]
hip 2(hĭp) also hep (hĕp)
adj. hip·per, hip·pest also hep·per or hep·pest Slang
1. Keenly aware of or knowledgeable about the latest trends or developments.
2. Very fashionable or stylish.
hip n. & v.
A rose hip.
[Middle English hipe, from Old English hēope.]
Usually used to begin a cheer: Hip, hip, hooray!
slang in a hip manner or style