A future estate is an estate limited to commence in possession at a future day, either without the intervention of a precedent estate, or on the determination, by lapse of time or otherwise, of a precedent estate, created at the same time.
R.S. 1846, Ch. 62 ;--CL 1857, 2594 ;--CL 1871, 4077 ;--How. 5526 ;--CL 1897, 8792 ;--CL 1915, 11528 ;--CL 1929, 12930 ;--CL 1948, 554.10.