Definition of pastas:
(n) :
(uncountable) Dough made from wheat and water and sometimes mixed with egg and formed into various shapes; often sold in dried form and typically boiled for eating.
(n) :
(uncountable) A dish or serving of pasta.
(n) :
(loosely) Any type of noodle.
(n) :
(countable) A type of pasta.
(n) :
A copypasta (block of text which has been copied and pasted from somewhere else, serving as a story or meme).
(n) :
(Philippines, dentistry, countable, uncountable) Dental filling.