| BACKPACKS | • backpacks n. Plural of backpack. • backpacks v. Third-person singular simple present indicative form of backpack. • BACKPACK v. to hike with a pack on one's back. | 
| BACKTALKS | • backtalks v. Third-person singular simple present indicative form of backtalk. • BACKTALK n. an impudent reply. | 
| TALKBACKS | • talkbacks n. Plural of talkback. • TALKBACK n. a phone-in. | 
| BACKTRACKS | • backtracks v. Third-person singular simple present indicative form of backtrack. • backtracks n. Plural of backtrack. • back-tracks v. Third-person singular simple present indicative form of back-track. | 
| BLACKJACKS | • blackjacks n. Plural of blackjack. • blackjacks v. Third-person singular simple present indicative form of blackjack. • Blackjacks n. Plural of Blackjack. | 
| BLACKSNAKE | • blacksnake n. Alternative form of black snake: any of several relatively harmless North American snakes. • blacksnake n. (US) A long, tapering whip. • blacksnake n. (Chiefly vulgar, slang) A penis, especially a black penis. | 
| CRACKBACKS | • crackbacks n. Plural of crackback. • CRACKBACK n. in American football, an illegal block made by an offensive player. | 
| HUCKABACKS | • huckabacks n. Plural of huckaback. • HUCKABACK n. an absorbent cotton or linen used for towels. | 
| PICKABACKS | • pickabacks v. Third-person singular simple present indicative form of pickaback. • PICKABACK v. to carry someone on one's back, also PICKAPACK, PICKBACK, PIGGYBACK. | 
| BACKMARKERS | • backmarkers n. Plural of backmarker. • BACKMARKER n. a person who starts a race with the least advantageous handicap. | 
| BACKPACKERS | • backpackers n. Plural of backpacker. • backpackers n. A hostel catering to backpackers. • BACKPACKER n. one who travels with a backpack. | 
| BLACKSNAKES | • blacksnakes n. Plural of blacksnake. • black␣snakes n. Plural of black snake. • BLACKSNAKE n. a snake of a black color, found in the US. | 
| BACKBREAKERS | • backbreakers n. Plural of backbreaker. • BACKBREAKER n. a strenuous task. | 
| BACKPACKINGS | • BACKPACKING n. hiking with a pack on one's back. | 
| BACKTRACKINGS | • backtrackings n. Plural of backtracking. • BACKTRACKING n. the act of backtracking. |