1. Lying down; in a position of comfort or rest
   - decumbent, recumbent

See also: unerect

• urceolate
• urceole
• urchin
• Urd
• Urdu
• urea
• urea-formaldehyde resin
• urease
• Uredinales
• ureide
• uremia
• uremic
• ureter
• ureteritis
• ureterocele
• ureterorenal reflux
• ureterostenosis
• urethane
• urethra
• urethral
• urethral orifice
• urethral sphincter
• granulocytopenia
• granuloma
• granuloma inguinale