alarm-bell
21alarm mechanism — apparatus which sets off an alarm bell when a certain occurrence takes place …
22alarm system — system which sets off an alarm bell when a certain occurrence takes place …
23alarm — n 1 Alarm, tocsin, alert agree in meaning a signal that serves as a call to action or to be on guard especially in a time of imminent danger. Alarm is used of any signal that arouses to activity not only troops, but emergency workers (as firemen …
24Bell — Bell, n. [AS. belle, fr. bellan to bellow. See {Bellow}.] 1. A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck. [1913 Webster] Note …
25Bell arch — Bell Bell, n. [AS. belle, fr. bellan to bellow. See {Bellow}.] 1. A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck. [1913 Webster]… …
26Bell cage — Bell Bell, n. [AS. belle, fr. bellan to bellow. See {Bellow}.] 1. A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck. [1913 Webster]… …
27Bell carriage — Bell Bell, n. [AS. belle, fr. bellan to bellow. See {Bellow}.] 1. A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck. [1913 Webster]… …
28Bell cot — Bell Bell, n. [AS. belle, fr. bellan to bellow. See {Bellow}.] 1. A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck. [1913 Webster]… …
29Bell deck — Bell Bell, n. [AS. belle, fr. bellan to bellow. See {Bellow}.] 1. A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck. [1913 Webster]… …
30Bell founder — Bell Bell, n. [AS. belle, fr. bellan to bellow. See {Bellow}.] 1. A hollow metallic vessel, usually shaped somewhat like a cup with a flaring mouth, containing a clapper or tongue, and giving forth a ringing sound on being struck. [1913 Webster]… …