definition of
second

[1] #1 second s. [2nd, 2d] coming next after the first in position in space or time or degree or magnitude. wn

[2] #2 second n. [sec, s] 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites. wn

[3] #3 second r. [secondly] in the second place; "second, we must consider the economy". wn

[4] #4 second n. [moment, mo, minute, bit] an indefinitely short time; "wait just a moment"; "in a mo"; "it only takes a minute"; "in just a bit". wn

[5] #5 second n. [second base] the fielding position of the player on a baseball team who is stationed near the second of the bases in the infield. wn