Length"en (-'n), v. t. [imp. &
p. p. Lengthened (-'nd); p. pr. & vb.
n. Lengthening (-'n*ĭng).] To extent in
length; to make longer in extent or duration; as, to lengthen
a line or a road; to lengthen life; -- sometimes followed by
out.
What if I please to lengthen out his
date.
Dryden.Length"en, v. i. To become
longer. Locke.