I. ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
Etymology: from tip up, v.
1.
[probably so called from the bobbing of its tail when walking]
: spotted sandpiper
2. : tilt 6
II. adjective
: constructed so as to tip up or out of the way
sat neatly on the little tip-up seat of the taxi — Elizabeth Taylor