simple past tense and past participle of block

plural of blockful

(chiefly US and Canada) available at an auction.

An amount that fills a block.

plural of blocking patent

(law) A patent relating to a particular area of technology which prevents another patent from being used because the other patent relies on technology covered by the first.

plural of blocking course

(architecture) The finishing course of a wall showing above a cornice.

(idiomatic, US) Basic tasks or skills in an undertaking or occupation.

(railway) A system of managing trains that breaks the line into small segments, and if a train is in a segment, no other train may follow, unless the second train is following the first, with caution.