| block and tackle |
a rigging of pulley blocks and rope or cables used to provide leverage for hauling or lifting heavy loads. |
| blockbuster |
a person or thing of great force and overwhelming power. [2 definitions] |
| blockbusting |
having overwhelming force or effectiveness. [3 definitions] |
| blocker |
in football, an offensive player who tries to block defensive players from tackling the ball carrier. [2 definitions] |
| blockhead |
a stupid or dull person; oaf. |
| blockhouse |
a fortified building with openings for cannons and rifles to fire through, formerly built of heavy wooden timbers. [3 definitions] |
| blockish |
like a block of wood in sensitivity or awareness; dull or stupid. |
| block letter |
a simple, hand-printed capital letter. [2 definitions] |
| blocky |
like a block in bulk; chunky. [2 definitions] |
| Bloemfontein |
the judicial capital of South Africa. (Cf. Cape Town, Pretoria.) |
| blog |
shortened form of "Web log," an online journal that may be personal or topical, in which the author makes regular entries that appear in reverse chronological order and can be read by the general public. [2 definitions] |
| blogosphere |
all the blogs on the internet and the people who read and write them. |
| bloke |
(chiefly British; informal) a male person; man; guy. |
| blond |
having hair of a golden or whitish-yellow color. [3 definitions] |
| blonde |
of a girl or woman, having light-colored hair. [2 definitions] |
| blood |
the red fluid containing oxygen and nutrients that circulates in the vascular system of vertebrates. [7 definitions] |
| blood bank |
a place where blood is collected, processed, and stored as whole blood or plasma, for later use in transfusion. |
| bloodbath |
a brutal and indiscriminate slaughter of many people or a whole population; massacre. [2 definitions] |
| blood blister |
a blister that contains blood and sometimes also serum. (Cf. water blister.) |
| blood-borne |
carried or transmitted by blood. |
| blood brother |
one's brother by birth. [2 definitions] |