noun. Alternative spelling of black hole, especially in the attributive.

noun. A place where traffic is silently discarded.

noun. A bit bucket; a place of permanent oblivion for data.

noun. DNSBL, used to block spamming IP addresses – are often called "blackhole lists"

noun. A blackhole server, a DNS server that handles reverse lookups of invalid IP ranges

noun. A resource sink.

"It may very well put the Acura ZDX and Chevrolet Camaro to shame in terms blackhole-like blindspots."

backhoe