English Drop (unit) Cited by user Rotideypoc41352 on 11 Aug 2018 The drop is an approximated unit of measure of volume, the amount dispensed as one drop from a dropper or drip chamber.
English Guttae (medical) Cited by user Nephron on 09 Sep 2007 In medicine, guttae, the plural of gutta, is Latin for drops. It is frequently abbreviated as gtts (gtt for singular) and often seen on prescriptions.