from
The Collaborative International Dictionary of English v.0.48
peepul \pee"pul\ (p[=e]"p[u^]l), Peepul tree \Pee"pul
tree`\(p[=e]"p[u^]l tr[=e]`). [Hind. p[imac]pal, Skr. pippala.]
(Bot.)
A sacred tree ({Ficus religiosa}) of the Buddhists, a kind of
fig tree which attains great size and venerable age; it lacks
the prop roots of the {banyan}. See {Bo tree}. [Written also
{pippul tree}, and {pipal tree}.]
Syn: pipal, peepul, peepul tree, pipal tree, pipul, sacred
fig, bo tree, {Ficus religiosa}.
[1913 Webster]