gantry

IPA/ˈɡæntri/
KK[ɡˈæntri]IPA/ˈɡæntri/

gantry — noun

  • gantrysingular
  • gantriesplural

1. A large, bridge-shaped metal structure that is raised on supports and stretches

1.nounC1
Definition

A large, bridge-shaped metal structure that is raised on supports and stretches across a wide area, used to hold heavy equipment including cranes, railway signal lights, or rocket-launching machines.

Example

The crane on the gantry lifted shipping containers onto the cargo ship.

crane + shipping container collocation

Leila checked the gantry for loose bolts before the rocket launch.

pre-launch inspection context

Common collocations
  • gantry crane
  • signal gantry
  • launch gantry
  • mobile gantry
  • steel gantry
  • gantry support
  • gantry system
Synonyms
  • framework

    more general; any skeletal support structure, not necessarily tall or spanning

  • scaffold

    usually temporary and for workers, whereas a gantry is typically a permanent metal frame

  • derrick

    a tall lifting device with a single boom, typical of oil rigs, rather than a bridge-like frame on rails

Usage Note

Frequently appears in technical or industrial contexts such as construction sites (gantry crane), railway networks (signal gantry), and spaceflight facilities (launch gantry). The word can also act as a noun modifier in compounds.

Word family

Synonym discussion

Sense: noun/1

Framework, scaffold, and gantry all refer to support structures, but with important differences. A 'framework' is a very general term for any skeletal structure that supports something — it does not imply height or spanning. A 'scaffold' (or scaffolding) is a temporary structure used by workers during construction or repair, while a gantry is typically a permanent metal structure. 'Derrick' shares the idea of a tall lifting device with a gantry crane, but a derrick has a single mast and boom (like an oil rig), whereas a gantry is a bridge-like frame that moves on wheels or rails. In railway contexts, only a signal gantry can span multiple tracks; a 'signal post' serves just one track. For crane applications, a 'gantry crane' runs on ground-level rails, unlike a fixed tower crane.

Common collocations

Nouns

  • gantry crane
  • gantry system
  • gantry support
  • gantry design

Phrases

  • move the gantry
  • assemble a gantry
  • inspect the gantry
  • signal gantry
  • launch gantry

Prepositions

  • on a gantry
  • from a gantry
  • above the gantry
  • under the gantry

Etymology

LatinFrenchEnglish

Comes from Middle English 'gavntre' meaning a wooden frame for holding barrels, from Old French 'chantier' (a timber support or storage rack), and further back from Latin 'cantherius' (a rafter or beam, originally meaning a gelding). Over several centuries the meaning shifted from a barrel-rack in a cellar to the large industrial metal frames used in construction, railways, and rocket launches.