spina
[
spahy
-n
uh
]
/ˈspaɪ nə/
noun
,
plural
spinae
[
spahy
-nee]
/ˈspaɪ ni/
(
Show IPA
).
Anatomy, Zoology
1.
a spine or spinelike projection.
Origin
1350-1400;
Middle English
<
Latin
spīna
thorn, backbone; see
spine
spina
in Medicine
spina
spi·na (spī'nə)
n.
pl.
spi·nae
(-nē)
A spine-shaped or sharp thornlike anatomical process.