1. (used especially of machinery) not protected by a shield

See also: unprotected

• plexus
• plexus autonomici
• plexus brachialis
• plexus cardiacus
• plexus caroticus
• plexus celiacus
• plexus cervicalis
• plexus choroideus
• plexus coccygeus
• plexus dentalis
• plexus hypogastricus
• plexus lumbalis
• plexus mesentericus
• plexus myentericus
• plexus periarterialis
• plexus pulmonalis
• plexus sacralis
• PLF
• pliability
• pliable
• pliancy
• pliant
• pliantly
• pliantness
• plica