earmark earmark /ˈiːrˌmɑːrk/

noun

1. A distinctive characteristic or attribute  ( earmark , stylemark , hallmark , trademark )
   a distinctive characteristic or attribute
    His trademark humor made everyone laugh.
   His trademark humor made everyone laugh.
   
   
2. Identification mark on the ear of a domestic animal  ( earmark )
   identification mark on the ear of a domestic animal
   

verb

1. Give or assign a resource to a particular person or cause  ( earmark , reserve , set aside , allow , appropriate )
   give or assign a resource to a particular person or cause
    I will earmark this money for your research
   I will earmark this money for your research
    She sets aside time for meditation every day
   She sets aside time for meditation every day
   

 on-off switch on-off switch /ˈɒnˌɒf swɪtʃ/

noun

1. A hinged switch that can assume either of two positions  ( on-off switch , on/off switch , toggle , toggle switch )
   a hinged switch that can assume either of two positions
   
   

 infant infant /ˈɪnfənt/

noun

1. () A very young child (birth to 1 year) who has not yet begun to walk or talk  ( bundle of joy , infant , babe , baby )
   a very young child (birth to 1 year) who has not yet begun to walk or talk
    The baby began to cry again
   the baby began to cry again
    She held the baby in her arms
   she held the baby in her arms
    It sounds simple, but when you have your own baby it is all so different
   it sounds simple, but when you have your own baby it is all so different
   
   

 snap ring snap ring /snæp rɪŋ/

noun

1. An oblong metal ring with a spring clip; used in mountaineering to attach a rope to a piton or to connect two ropes  ( carabiner , karabiner , snap ring )
   an oblong metal ring with a spring clip; used in mountaineering to attach a rope to a piton or to connect two ropes