© 2026 Sloth Lingo. Learn easy. Lounge wisely.

theca

Upper-Intermediate (B2)

IPA: /ˈθiːkə/

KK: /ˈθiːkə/

noun
Definition

A covering or sheath that protects something, like the outer layer of certain plants or animals.


Example

The theca of the insect pupa provides protection during its development.


Conversation
Sloth A
Have you ever seen the theca of a pupa up close?
Sloth B
No, I haven't! What does it look like?
Sloth A
It's like a protective case that covers the pupa, really interesting to observe.
Sloth B
That sounds cool! I love learning about different animal structures.

Synonyms & Antonyms
Synonyms
sheath
case
covering
Antonyms
exposure
revelation
uncovering
Root Explanation

The word 'theca' comes from Latin 'theca' (meaning a case or a box). It refers to a container or a receptacle, often used in a biological context to describe a sheath or covering.

Memory Tip

Imagine a box or case ('theca') that holds something important — this helps you remember that 'theca' refers to a container or covering.

Visually Confused Words
thea
teca
ootheca
athecae
theta
thema
theat
theah
Is this page helpful?