Word: rastras
Part of speech: Noun
Syllables: ra
stras
Definition: Plural of rastra; a registered tradename for a particular insulating concrete form (ICF), called Insulating COMPOUND Concrete Form (ICCF) used to make walls for buildings
Morphemes:
Affix: rastra
Language: en
PoS: Noun
Meaning: Alternative form of arrastra; a primitive mill for grinding and pulverizing (typically) gold or silver ore
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).