Word: backstop
Part of speech: Noun
Syllables: back
stop
Definition: A default arrangement that holds if all else fails.
Morphemes:
Affix: back
Language: en
PoS: Verb
Meaning: To lay out a second, smaller anchor to provide additional holding power.
Affix: stop
Language: en
PoS: Noun
Meaning: A member, plain or moulded, formed of a separate piece and fixed to a jamb, against which a door or window shuts.