Definition of "rack"
rack1
/ɹæk/
noun
plural racks
(nautical, by extension, slang, uncountable) Sleep.
rack2
/ɹæk/
verb
third-person singular simple present racks, present participle racking, simple past and past participle racked
rack3
/ɹæk/
rack4
/ɹæk/
rack5
/ɹæk/
rack6
/ɹæk/
noun
plural racks
(obsolete) A wreck; destruction.
rack8
/ɹæk/
noun
uncountable