a combining form with the meanings âheight,â âtip end,â âextremities of the body,â used in the formation of compound words: acrophobia. Also, especially before a vowel, acr-. Origin of acro-. < Greek, combining form of Ã¡kros topmost, highest; akin to Latin Äcer sharp.
â¢ CANTUS FIRMUS (noun) The noun CANTUS FIRMUS has 1 sense: 1. a melody used as the basis for a polyphonic composition. Familiarity information: CANTUS FIRMUS used as a noun is very rare. Dictionary entry details.
Prunus spinosa is a large deciduous shrub or small tree growing to 5 metres (16 ft) tall, with blackish bark and dense, stiff, spiny branches.The leaves are oval, 2â4.5 centimetres (0.79â1.77 in) long and 1.2â2 centimetres (0.47â0.79 in) broad, with a serrated margin.loe (Prunus spinosa) flower, fruit, seed and leaves as illustrated by Otto Wilhelm Thome (thomÃ©). 1885 the specific name spinosa is A latin term indicating the pointed and thornlike spur shoots characteristic of this. Species the common name blackthorn is due to the thorny nature of the, shrub and its very dark. bark