jack block
noun Nautical.
a block used in raising or lowering a topgallant yard.
QUIZZES
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
anchorite
Origin of jack block
First recorded in 1785–95
Words nearby jack block
jacaré, jacinth, jack, jack arch, jack bean, jack block, jack chain, jack crevalle, jack crosstree, jack frost, jack in
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020