Toilet dimensions and clearances (same for bidets). These measurements also apply to bidets. Standard toilet fixture size â The standard depth of a toilet seat from hinges to the edge is 16 inches (40.5cm). If you get an elongated model this will be slightly longer â more like 18 inches or 46cm.
Definition of Quatrain. A poem, unit or stanza of four lines of verse, usually with a rhyme scheme of abab or its variant, xbybâ. âThe rhyming fourâline groups that make up the first eight or twelve lines of a sonnet are also known as quatrainsâ.
1 Tercet: A stanza of 3 lines. When a poem has tercets that have a rhyme scheme of ABA, then BCB, then CDC and so forth, this is known as terza rima. One famous example is Danteâs Divine Comedy.  Quatrain: A stanza of 4 lines, usually with rhyme schemes of AAAA, AABB, ABBA, or ABAB.