The act of doing that which begins anything; commencement of an action, state, or space of time; entrance into being or upon a course; the first act, effort, or state of a succession of acts or states.
The initial portion of some extended thing.
That which is begun; a rudiment or element.
That which begins or originates something; the source or first cause.
Of or relating to the first portion of some extended thing.
A short break; a rest or respite.
A spatially localized, time-periodic excitation in a one-dimensional lattice.
An air inlet path to the crankcase
Something or someone that breathes.
A heavy breather.