From The Collaborative International Dictionary of English v.0.48 :
Springtime \Spring"time`\ (-t[imac]m`), n.
The season of spring; springtide.
[1913 Webster]
From WordNet (r) 3.0 (2006) :
springtime
n 1: the season of growth; "the emerging buds were a sure sign
of spring"; "he will hold office until the spring of next
year" [syn: spring, springtime]