(ˈhəʊldˌdaʊn) n (Computer Science) computing a control function in a router that stops it receiving information from other routers while there is instability in the network
hold•down
(ˈhoʊldˌdaʊn)
n. 1. a clamp for holding an object in place. 2. a limitation, esp. on costs: a holddown on spending.[1885–90]