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"
breed animals or plants using parents of different races and varieties; "cross a horse and a donkey"; "Mendel tried crossbreeding"; "these species do not interbreed"
disposing of property by voluntary transfer without receiving value in return; "the alumni followed a program of annual giving"
the act of giving
the imparting of news or promises etc.; "he gave us the news and made a great show of the giving"; "giving his word of honor seemed to come too easily"