{{wiktionary|pyriform|pear-shaped}} '''Piriform''', sometimes '''pyriform''', means pear-shaped. It may refer to:
== Anatomy == * Piriform aperture, more commonly known as anterior nasal aperture * Piriform cortex, a region in the brain * Piriformis muscle, a gluteal muscle ** Piriformis syndrome, a neuromuscular disorder in which the piriformis muscle compresses the sciatic nerve * Piriform sinus, piriform recess or piriform fossa, synonyms referring to one of the four sites of the hypopharynx * The (notionally) pear-like female body shape (gynoid shape) ** Pear-shaped obesity (adiposity highest on hips and thighs), in contrast with apple-shaped obesity (central adiposity, abdominal obesity)
== Other uses == * Piriform Software, a software company * Piriform, in hydrostatic equilibrium * Pyriform, a teapot shape introduced in the 18th century
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