flat head: meaning, definition, pronunciation and examples
C1Medical/Anatomical, Technical/Engineering, Informal
Quick answer
What does “flat head” mean?
A physical feature describing a head that is flatter than usual on the top or back.
Audio
Pronunciation
Definition
Meaning and Definition
A physical feature describing a head that is flatter than usual on the top or back.
In mechanics and engineering, a type of screw or bolt head that is flat on top, designed to sit flush with or countersunk into a surface.
Dialectal Variation
British vs American Usage
Differences
Usage is largely identical. 'Flat-head screw' is slightly more common in American technical manuals, while 'countersunk head' is a frequent UK technical synonym.
Connotations
Similar connotations in both dialects. Informal use to describe a person's head shape can be perceived as mildly offensive.
Frequency
Low frequency in everyday language, higher in specific technical/medical contexts.
Grammar
How to Use “flat head” in a Sentence
[patient] has a flat headuse a [tool] for flat head screws[screw] with a flat headVocabulary
Collocations
Examples
Examples of “flat head” in a Sentence
noun
British English
- The mechanic reached for a flat head to secure the panel.
- Some infants develop a temporary flat head from sleeping on their backs.
American English
- You'll need a flat head for those counter-sunk screws.
- The paediatrician noted the flat head was positional and not a cause for concern.
Usage
Meaning in Context
Business
Rare, except in manufacturing/ hardware supply contexts.
Academic
Used in medical/paediatric literature (e.g., plagiocephaly) and engineering textbooks.
Everyday
Informal description of a person's head shape or when discussing DIY/ tools.
Technical
Precise term in mechanical engineering, construction, and orthopaedics.
Vocabulary
Synonyms of “flat head”
Strong
Neutral
Weak
Vocabulary
Antonyms of “flat head”
Watch out
Common Mistakes When Using “flat head”
- Using 'flat head' to mean 'stupid' (a confusion with 'blockhead' or 'numbskull').
- Using it as a verb (e.g., 'to flat head a screw' is incorrect).
FAQ
Frequently Asked Questions
It can be perceived as rude if used to describe a person's appearance, as it focuses on an atypical physical feature. In technical contexts, it is neutral.
A flat head screw has a single, straight slot for a flat-blade screwdriver. A Phillips head has a cross-shaped indentation for a Phillips screwdriver.
Not always. Many cases are mild, positional (deformational plagiocephaly), and can improve with repositioning, physiotherapy, or, in severe cases, a helmet. A doctor should assess it.
Typically, it is a compound noun ('flat-head screw'). It can be used attributively (e.g., 'flat-head driver') but is not standardly inflected like an adjective (e.g., 'flatter head' is fine, but not 'very flat head').
A physical feature describing a head that is flatter than usual on the top or back.
Flat head is usually medical/anatomical, technical/engineering, informal in register.
Flat head: in British English it is pronounced /ˌflæt ˈhɛd/, and in American English it is pronounced /ˌflæt ˈhɛd/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Not applicable”
Learning
Memory Aids
Mnemonic
Imagine a screw that lies FLAT, so its HEAD doesn't stick up.
Conceptual Metaphor
FLATNESS AS LACK OF PROTRUSION/CURVATURE
Practice
Quiz
In which context is 'flat head' most likely to be a neutral, technical term?