fibula
noun /ˈfɪbjələ/
/ˈfɪbjələ/
(plural fibulae
(anatomy) /ˈfɪbjəliː/
/ˈfɪbjəliː/
, fibulas)- enlarge imagethe outer bone of the two bones in the lower part of the leg between the knee and the ankle see also tibiaTopics Bodyc2Word Originlate 16th cent.: from Latin, ‘brooch’, perhaps related to figere ‘to fix’. The bone is so named because the shape it makes with the tibia resembles a clasp, the fibula being the pin.