laptop
UK[ˈlaptɒp]US[ˈlæpˌtɑːp]
n
A portable microcomputer small enough to use on one's lap.
Morpheme Breakdown
lap
top
lap
top of the thighs when sitting
top
upper surface
Etymology
The word 'laptop' is a modern English compound, formed in the latter half of the 20th century with the advent of portable personal computing. It is a straightforward descriptive term, combining 'lap', denoting the part of the body where the device is designed to rest, with 'top', indicating a flat-surfaced unit placed upon it. This formation follows a common English pattern for creating new words (like 'desktop' or 'tabletop') to name an object by its primary location of use. The logic is entirely transparent, moving from the literal physical description of a computer meant for the lap to its established identity as a category of portable device, distinct from larger, stationary models.
Analysis
Structure: lap (top of the thighs when sitting) + top (upper surface)
- lap: From Old English 'læppa' (skirt, flap of a garment). In this compound, it refers to the flat, upper surface of the thighs of a seated person. Functional role: Noun, specifying the location of use.
- top: From Old English 'top' (summit, crest). In this compound, it refers to a flat, upper surface or a unit that sits upon something. Functional role: Noun, specifying the object's form or position.
Examples
She closed her laptop and headed to the meeting.
For his new job, he needed a lightweight laptop for travel.
The battery life on this laptop is excellent.