bumper jack
— Noun
– English
～ a jack for lifting a motor vehicle by the bumper
book jacket
— Noun
– English
～ a paper jacket for a book; a jacket on which promotional information is usually printed
bomber jacket
— Noun
– English
～ a jacket gathered into a band at the waist
bed jacket
— Noun
– English
～ a lightweight jacket worn over bedclothes (as when sitting in bed)
bush jacket
— Noun
– English
～ a loose fitting jacket; resembles a shirt with four patch pockets and a belt
blacktail jackrabbit
— Noun
– English
～ the common jackrabbit of grasslands and open areas of western United States; has large black-tipped ears and black streak on the tail
blanket jam
— Verb
– English
～ jam a broad spectrum of frequencies to affect all communications in the area except for directional antenna communications
Buteo jamaicensis
— Noun
– English
～ dark brown American hawk species having a reddish-brown tail
barrage jamming
— Noun
– English
～ electronic jamming over a wide range of frequencies simultaneously
Bromus japonicus
— Noun
– English
～ grass of Mediterranean and temperate Asia
bell jar
— Noun
– English
～ a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases
blue jasmine
— Noun
– English
～ climber of southern United States having bluish-purple flowers
blue jay
— Noun
– English
～ common jay of eastern North America; bright blue with grey breast
blue jeans
— Noun
– English
～ (used in the plural) close-fitting trousers of heavy denim for manual work or casual wear
beef jerky
— Noun
– English
～ strips of dried beef
blue jessamine
— Noun
– English
～ climber of southern United States having bluish-purple flowers
blue jet
— Noun
– English
～ atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
butt joint
— Noun
– English
～ a joint made by fastening ends together without overlapping