suboperculum
English
Etymology
From
sub-
+
operculum
.
Noun
suboperculum
(
plural
subopercula
)
(
anatomy
)
The lower
opercular
bone
in
fishes
.
References
“
suboperculum
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.