umbo Meaning & Definition
/ˈʌm.bəʊ/
What Does Umbo Mean?
Umbo is a noun that means The boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike. It is also used to mean A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. An inward projection of the tympanic membrane of the ear. One of the lateral prominences just above the hinge of a bivalve shell. A bump or protrusion on the cap of a mushroom or toadstool.
Word Facts for Umbo
| Part of speech | noun |
|---|---|
| Pronunciation | /ˈʌm.bəʊ/ |
| Syllables | 2 |
| Plural | umbones |
Umbo Definition (Noun)
- The boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike.
- A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. An inward projection of the tympanic membrane of the ear. One of the lateral prominences just above the hinge of a bivalve shell. A bump or protrusion on the cap of a mushroom or toadstool.
- An inward projection of the tympanic membrane of the ear.
- One of the lateral prominences just above the hinge of a bivalve shell.
- A bump or protrusion on the cap of a mushroom or toadstool.
Noun
- A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. For example the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear.
- A bump or protrusion on the top of the cap.
Synonyms of Umbo
The source does not list synonyms for this entry.
Umbo synonyms and antonyms →Word Forms & Grammar
umbo (plural umbones or umbos or umboes)
Origin of Umbo
Borrowed from Latin umbō (“a shield boss”). Doublet of umbone.
Pronouncing Umbo
Umbo is pronounced /ˈʌm.bəʊ/ and has 2 syllables, with the main stress on the first syllable (ʌm).