Robertson screw
/ˈrɒbətsən/
noun
1.
trademark a screw having a square hole in the head into which a screwdriver with a square point (Robertson screwdriver (trademark)) fits
Read Also:
- Robeson
noun 1. Paul, 1898–1976, U.S. singer and actor. noun 1. Paul. 1898–1976, US bass singer, actor, and leader in the Black civil rights movement
- Robespierre
noun 1. Maximilien François Marie Isidore de [mak-see-mee-lyan frahn-swa ma-ree ee-zee-dawr duh] /mak si miˈlyɛ̃ frɑ̃ˈswa maˈri i ziˈdɔr də/ (Show IPA), 1758–94, French lawyer and revolutionary leader. noun 1. Maximilien François Marie Isidore de. (maksimiljɛ̃ frɑ̃swa mari izidɔr də). 1758–94, French revolutionary and Jacobin leader: established the Reign of Terror as a member of […]
- Robex
ROBot EXapt. Aachen Tech College. Based on EXAPT. Version: ROBEX-M for micros.
- Robey
noun 1. Sir George, original name George Edward Wade, known as the prime minister of mirth. 1869–1954, British music-hall comedian, who also appeared in films
- Robin
noun 1. any of several small Old World birds having a red or reddish breast, especially Erithacus rubecula, of Europe. 2. a large American thrush, Turdus migratorius, having a chestnut-red breast and abdomen. 3. any of several similar thrushes of the New World tropics, not necessarily having reddish underparts, as T. grayi (clay-colored robin) of […]