pilastro — meaning in English

English meaning

bollard noun A short, strong post fixed to a road or pavement to stop vehicles getting into an area, to mark out traffic lanes, or for security.
mainstay noun The main thing that something relies on for support.
pier noun A raised platform that extends from the shore out over water, used for boats or entertainment.
pillar noun A tall vertical post, usually supporting part of a building.
post noun A long upright pole or beam, such as a fence post or lamppost.

pilastro is used for these senses in English:

bollard A similar post preventing vehicle access to a pedestrian area, to delineate traffic lanes, or used for security purposes.
mainstay A chief support.
pier A structure supporting the junction between two spans of a bridge.
pier (architecture) A rectangular pillar, or similar structure, that supports an arch, wall or roof, or the hinges of a gate.
post A long dowel or plank protruding from the ground; a fencepost; a lightpost.

noun A short, strong post fixed to a road or pavement to stop vehicles getting into an area, to mark out traffic lanes, or for security.
noun A sturdy post of iron or timber on a quay or ship's deck that ropes are tied round to hold a vessel in place.

noun The main thing that something relies on for support.
noun A person or thing you can always count on to play a steady, important part.
noun A rope running from near the top of a ship's mainmast down to the foremast, used to hold it steady.