scaphoid
noun
scaph·oid ˈska-ˌfȯid 
1
: navicular sense a
2
: the bone of the thumb side of the carpus that is the largest in the proximal row
also : the navicular bone of the tarsus
scaphoid adjective
Example Sentences
Recent Examples on the Web Medical records filed in court report a fracture of the scaphoid, a bone in the wrist, that was surgically repaired with screws. 
Eric Fleischauer The Decatur Daily, al, 4 June 2021 The Frenchman, who underwent surgery after fracturing his scaphoid in the accident, will start his next race -- potentially this weekend -- from the pit lane. Jonathan Hawkins, CNN, 21 Aug. 2020 The flexible little rubber arms clip onto any pair of EarPods (or AirPods), extending their height and supporting them against the curl of flesh at the top of your ear called the scaphoid fossa. Peter Martin, Popular Mechanics, 19 Oct. 2018
Eric Fleischauer The Decatur Daily, al, 4 June 2021 The Frenchman, who underwent surgery after fracturing his scaphoid in the accident, will start his next race -- potentially this weekend -- from the pit lane. Jonathan Hawkins, CNN, 21 Aug. 2020 The flexible little rubber arms clip onto any pair of EarPods (or AirPods), extending their height and supporting them against the curl of flesh at the top of your ear called the scaphoid fossa. Peter Martin, Popular Mechanics, 19 Oct. 2018 Word History
Etymology
New Latin scaphoides, from Greek skaphoeidēs, from skaphos boat
First Known Use
1831, in the meaning defined at sense 1
Medical Definition
scaphoid 1 of 2
adjective
scaph·oid ˈskaf-ˌȯid
1
: shaped like a boat : navicular
2
: characterized by concavity
the abdomen was soft and scaphoid without tenderness Nancy M. Heiss et al.
Nancy M. Heiss et al.scaphoid
2 of 2noun
variants or scaphoid bone
1
: navicular sense a
2
: the largest carpal bone of the proximal row of the wrist that occupies the most lateral position on the thumb side
called also navicular