spermidium
English
Etymology
From
sperm
+
-idium
.
Noun
spermidium
(
plural
spermidia
)
(
obsolete
,
botany
)
An
achene
.
References
“
spermidium
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.