1. Lying face upward
   - supine

See also: unerect

• Xenicus
• Xenicus gilviventris
• xeno-
• xenobiotic
• xenogeneic
• xenogenesis
• xenograft
• xenolith
• xenon
• Xenophanes
• xenophobe
• xenophobia
• xenophobic
• Xenophon
• Xenopodidae
• Xenopus
• Xenopus laevis
• Xenorhyncus
• Xenorhyncus asiaticus
• Xenosauridae
• Xenosaurus
• xenotime
• xenotransplant
• xenotransplantation
• xeranthemum