a small slit (as for inserting a coin or depositing mail); "he put a quarter in the slot"
a slot machine that is used for gambling; "they spend hours and hours just playing the slots"
(computer) a socket in a microcomputer that will accept a plug-in circuit board; "the PC had three slots for additional memory"
a position in a grammatical linguistic construction in which a variety of alternative units are interchangeable; "he developed a version of slot grammar"
the trail of an animal (especially a deer); "he followed the deer's slot over the soft turf to the edge of the trees"
a position in a hierarchy or organization; "Bob Dylan occupied the top slot for several weeks"; "she beat some tough competition for the number one slot"
free from duties or responsibilities; "he writes in his leisure hours"; "life as it ought to be for the leisure classes"- J.J.Chapman; "even the artist and the sculptor were not regarded...as leisured men"- Ida Craven
keep in one's mind; "I cannot retain so much information"
secure and keep for possible future use or application; "The landlord retained the security deposit"; "I reserve the right to disagree"
allow to remain in a place or position; "We cannot continue several servants any longer"; "She retains a lawyer"; "The family's fortune waned and they could not keep their household staff"; "Our grant has run out and we cannot keep you on"; "We kept the work going as long as we could"
hold within; "This soil retains water"; "I retain this drug for a long time"