Definition of tuck-point in US English:

tuck-point

verb

[with object]
  • Point (brickwork) with colored mortar so as to have a narrow groove which is filled with fine white lime putty allowed to project slightly.

    • ‘Repairing cracked mortar is called tuck-pointing.’
    • ‘The brick has been tuck-pointed, windows have been restored, and some window framing was replaced.’
    • ‘The brick walls were sand blasted and tuck-pointed on the inside.’
    • ‘The house outside my window needs to be tuck-pointed.’
    • ‘We have had our walls regularly tuck-pointed and the bay ground out and repointed, but it hasn't solved the problem.’

Pronunciation

tuck-point

/ˈtəkˌpoint/