chainsman

[ cheynz-muhn ]
/ ˈtʃeɪnz mən /

noun, plural chains·men.Nautical.

a person who stands in the chains to take soundings; leadsman.

Origin of chainsman

chain + 's1 + -man
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020