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a. [ Dim., fr. L. hirtus hairy. ] (Bot. & Zool.) Pubescent with minute and somewhat rigid hairs. [ 1913 Webster ]

[ It. martello hammer. The name was orig. given to towers erected on the coasts of Sicily and Sardinia for protection against the pirates in the time of Charles the Fifth, which prob. orig. contained an alarm bell to be struck with a hammer. See Martel. ] (Fort.) A building of masonry, generally circular, usually erected on the seacoast, with a gun on the summit mounted on a traversing platform, so as to be fired in any direction. [ 1913 Webster ]

☞ The English borrowed the name of the tower from Corsica in 1794. [ 1913 Webster ]

‖n.; pl. -li /plu>. [ It., dim. of punto point. ] (Sculpture) One of the points sometimes drilled as guides for cutting away superfluous stone. [ Webster 1913 Suppl. ]

a. [ Turritella + -oid. ] (Zool.) Of, pertaining to, or resembling, the turritellas. [ 1913 Webster ]