Word: backsights
Part of speech: Noun
Syllables: back
sights
Definition: Plural of backsight. A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station).
Morphemes:
Affix: back
Language: en
PoS: Noun
Meaning: The backrest, the part of a piece of furniture which receives the human back.
Affix: see
Language: en
PoS: Verb
Meaning: To perceive or detect someone or something with the eyes, or as if by sight.
Affix: -th
Language: en
PoS: Suffix
Meaning: A variant of -eth, used to form the archaic third-person singular indicative present tense of verbs.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form the plural of nouns that correctly take just an "s" in the plural. See greengrocer’s apostrophe.