Definition of "truck"
truck1
/tɹʌk/
noun
countable and uncountable, plural trucks
(nautical) On a wooden mast, a circular disc (or sometimes a rectangle) of wood near or at the top of the mast, usually with holes or sheaves to reeve signal halyards; also a temporary or emergency place for a lookout. "Main" refers to the mainmast, whereas a truck on another mast may be called (on the mizzenmast, for example) "mizzen-truck".
verb
third-person singular simple present trucks, present participle trucking, simple past and past participle trucked
truck2
/tɹʌk/
verb
third-person singular simple present trucks, present participle trucking, simple past and past participle trucked
truck3
/tɹʌk/
truck4
/tɹʌk/
noun
plural trucks
(usually with negative) Social intercourse; dealings, relationships.