There are 2 definitions of moulder in English:

moulder1

Line breaks: mould¦er
Pronunciation: /ˈməʊldə
 
/
(US molder)

verb

[no object] (often as adjective mouldering)
Slowly decay or disintegrate, especially because of neglect: the smell of mouldering books figurative I couldn’t permit someone of your abilities to moulder away in a backwater
More example sentences
  • I also parted with a large sum of money and came away with a 7 tightly wrapped bags containing a week's supply of something that smells old, fusty and a bit mouldering.
  • Then she burst out, in a fit of temper quite unlike her, ‘It's just been mouldering in here, no-one even knows it's here!’
  • Frankly I don't understand why most companies don't follow the same policy as franked income in the hands of shareholders is worth a lot more to them than huge piles of franking credits mouldering away in the company's balance sheet.
Synonyms

Origin

mid 16th century: perhaps from mould3, but compare with Norwegian dialect muldra 'crumble'.

Definition of moulder in:

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Word of the day guzzle
Pronunciation: ˈgʌz(ə)l
verb
eat or drink (something) greedily

There are 2 definitions of moulder in English:

moulder2

Line breaks: mould¦er
Pronunciation: /ˈməʊldə(r)
 
/
(US molder)

noun

A person or thing that moulds something: a moulder of public opinion
More example sentences
  • I left school at 16 to become an apprentice iron moulder.
  • According to the company, multicomponent molding offers a wide range of opportunities for molders looking to gain competitive advantage.
  • From there, the mozzarella mixture is forwarded to two adjoining molders.

Definition of moulder in: