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rostellum

Upper-Intermediate (B2)

IPA: /rɒˈstɛləm/

KK: /rɑˈstɛləm/

noun
Definition

A small, beak-like structure found in certain plants and animals, such as on the stigma of an orchid or the head of a tapeworm.


Example

The rostellum of the orchid helps in the pollination process by guiding insects to the reproductive parts of the flower.


Conversation
Sloth A
Have you ever heard of a rostellum?
Sloth B
I think so, but I’m not quite sure what it is.
Sloth A
It's actually a part of some orchids and even tapeworms!
Sloth B
That's interesting! I had no idea plants and parasites had similar structures.

Synonyms & Antonyms
Synonyms
beak
projection
process
Antonyms
indentation
recession
depression
Root Explanation

**Rostellum** → It is derived from "rostrum" (meaning beak or prow) with the diminutive suffix "-ellum" (indicating smallness). The term "rostellum" refers to a small beak-like structure, often used in biological contexts to describe certain anatomical features.

Memory Tip

Imagine a tiny 'beak' ('rostrum') — that's what a 'rostellum' is, a small beak-like structure.

Visually Confused Words
proscutellum
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