- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
achromat
-
acid-base indicator
-
a.d.
-
propoxyphene
-
relinquish
-
awoken
-
hour
-
infamy
-
smith
-
melancholias
- Hide translation
acantha
acantha /əˈkænθə/
noun
-
Any sharply pointed projection
(
acantha
, spine
, spur
)
any sharply pointed projection
