Word: backsight
Part of speech: Noun
Syllables: back
sight
Definition: A measurement of a previously shot point, used to set the angle to zero when occupying a new position.
Morphemes:
Affix: back
Language: en
PoS: Adverb
Meaning: In a direction opposite to that in which someone or something is facing or normally pointing.
Affix: see
Language: en
PoS: Verb
Meaning: To examine something closely, or to utilize something, often as a temporary alternative.
Affix: -th
Language: en
PoS: Suffix
Meaning: Used to form a term denoting the ordinal numeral corresponding to the value, being a natural number, of a mathematical expression.