Both terms are commonly used in the Bay Area.
Bill Cain, SE
From: BSmithSE(--nospam--at)aol.com [SMTP:BSmithSE(--nospam--at)aol.com]
Sent: Monday, May 03, 1999 20:58 PM
Subject: Re: Failure of Connection between Rafter
Roger Turk writes:
<< or if the rafter has a fish-mouth cut into it so that a
horizontal bearing surface is present >>
I've always referred to as "bird-mouth cut" when bottom of sloping
cut horizontally to seat squarely on top of wall. Is this a local
or am I plain wrong? I practice in Los Angeles.