trilling /trilˈing/

1. A threefold compound of crystals
2. One child of triplets

trill¹ /tril/

1. A trillo
2. A tremulous sound
3. A run or roulade of birdsong
4. A consonant sound produced by vibration

To play, sing, pronounce or sound with a trill

trillˈo noun (pl trillˈoes) (music)

A rapid alternation of two notes a tone or semitone apart, commonly ending with a turn

trill² /tril/

1. To twirl, roll, trundle
2. To pour in a fine stream

• catchment basin
• catchment basins
• Catchment board
• catchments
• catch on
• catch one's breath
• catch one's death
• catch one's death of cold
• catch on the hip
• catch on the wrong foot
• catch out
• catchpennies
• catchpenny
• catchphrase
• catchphrases
• catch-pit
• catch points
• catchpole
• catchpoles
• catchpoll
• catchpolls
• catch sight of
• catch someone in the act
• catch someone napping
• catch someone's drift