an estimation that is too low; an estimate that is less than the true or actual value
make too low an estimate of; "he underestimated the work that went into the renovation"; "Don't underestimate the danger of such a raft trip on this river"
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"