place something under (something else), especially to support or raise it
the green fields are underlaid with limestone
the synth arpeggios start, underlaid by a lovely theme on bass
something placed under or behind something else, especially material laid under a carpet for protection or support
providing the proper underlay gives the carpet extra life
a polka-dot skirt with net underlay
the manner in which the words are fitted to the notes of a piece of vocal music
be a significant cause or basis of (something) even if not necessarily manifest or obvious
the fundamental issue that underlies the conflict
the fear of loss underlay his extreme jealousy
(especially of a layer of rock or soil) lie or be situated under (something)
limestone underlies much of the site