Word: watchest
Part of speech: Verb
Syllables: wa
tchest
Definition: Alternative form of watch; a period of time (4 or 2 hours) during which some of a ship's crew are on duty
Morphemes:
Affix: watch
Language: en
PoS: Noun
Meaning: A period of time on duty, usually four hours in length; the officers and crew who tend the working of a vessel during the same watch. (FM 55;501).
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the second-person singular present tense and past tense of verbs. (if thou is the subject; not used with you)