tankman

noun

tank·​man

ˈtaŋkmən,

ˈtaiŋ-

plural tankmen

1

: a worker who tends tanks or vats in which an industrial operation is carried out

2

: tanker sense 3

3

: an attendant in an aquarium who takes care of the fish and aquatic plants and their tanks

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!