rhamphotheca
English
Etymology
From
Ancient Greek
ῥάμφος
(
rhámphos
,
“
beak
”
)
+
theca
.
Noun
rhamphotheca
(
plural
rhamphothecae
)
A thin
horny
sheath
of
keratin
on the outer surface of a
bird
's
beak
Related terms
rhinotheca
gnathotheca
rhamphothecal