block hook

grappling hook / grappling-hook

tailhook / arresting hook / arrester hook

kicker hook (skiff hook)

cylinder block (engine block)

feed block slide (feed-block-actuating slide)

boat hook

coupling hook

hook

hook-up man

suspension hook

breast hook

cant hook

deck rope hook

double line hook-up

extractor hook

hook for lifting of turret

hook spanner wrench

interphone headset hook

front tow hook

gun-sling hook

limber hook

skiff hook

hook-and-thimble splice

sky hook

slat hook

arrestor hook

block diagram

block face

block supplies

locking block

TNT block

breech block pivoted below the level of the chamber