|—n , pl -los|
|1.||a pit, trench, horizontal container, or tower, often cylindrical in shape, in which silage is made and stored|
|2.||a strengthened underground position in which missile systems are sited for protection against attack|
|[C19: from Spanish, perhaps from Celtic]|
silon. The FIFO input-character buffer in an RS-232 line card. So called from DEC terminology used on DH and DZ line cards for the VAX and PDP-11, presumably because it was a storage space for fungible stuff that went in at the top and came out at the bottom.